Support WebView in ash.

BUG=none
TEST=none
Review URL: https://chromiumcodereview.appspot.com/10054038

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@132063 0039d316-1c4b-4281-b951-d872f2087c98

11 files changed, 984 insertions, 101 deletions

diff --git a/ash/shell/DEPS b/ash/shell/DEPS
new file mode 100644
index 0000000..24f7ff1
--- /dev/null
+++ b/ash/shell/DEPS
@@ -0,0 +1,4 @@
+include_rules = [
+  "+content",
+  "+sandbox",
+]
diff --git a/ash/shell/app_list.cc b/ash/shell/app_list.cc
index 19f4336..2e4fd77 100644
--- a/ash/shell/app_list.cc
+++ b/ash/shell/app_list.cc
@@ -92,7 +92,8 @@ class WindowTypeLauncherItem : public ash::AppListItemModel {
       case EXAMPLES_WINDOW: {
 #if !defined(OS_MACOSX)
         views::examples::ShowExamplesWindow(
-            views::examples::DO_NOTHING_ON_CLOSE, NULL);
+            views::examples::DO_NOTHING_ON_CLOSE,
+            ash::Shell::GetInstance()->browser_context());
 #endif
         break;
       }
diff --git a/ash/shell/content_client/DEPS b/ash/shell/content_client/DEPS
new file mode 100644
index 0000000..60dbcf4
--- /dev/null
+++ b/ash/shell/content_client/DEPS
@@ -0,0 +1,3 @@
+include_rules = [
+  "+content",
+]
diff --git a/ash/shell/content_client/shell_browser_main_parts.cc b/ash/shell/content_client/shell_browser_main_parts.cc
new file mode 100644
index 0000000..2aaaed2
--- /dev/null
+++ b/ash/shell/content_client/shell_browser_main_parts.cc
@@ -0,0 +1,120 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ash/shell/content_client/shell_browser_main_parts.h"
+
+#include "ash/shell/shell_delegate_impl.h"
+#include "ash/shell/window_watcher.h"
+#include "base/bind.h"
+#include "base/command_line.h"
+#include "base/i18n/icu_util.h"
+#include "base/message_loop.h"
+#include "base/string_number_conversions.h"
+#include "base/threading/thread.h"
+#include "base/threading/thread_restrictions.h"
+#include "content/public/common/content_switches.h"
+#include "content/shell/shell.h"
+#include "content/shell/shell_browser_context.h"
+#include "content/shell/shell_devtools_delegate.h"
+#include "content/shell/shell_switches.h"
+#include "googleurl/src/gurl.h"
+#include "net/base/net_module.h"
+#include "ui/aura/client/stacking_client.h"
+#include "ui/aura/env.h"
+#include "ui/aura/root_window.h"
+#include "ui/aura/window.h"
+#include "ui/base/clipboard/clipboard.h"
+#include "ui/base/resource/resource_bundle.h"
+#include "ui/base/ui_base_paths.h"
+#include "ui/gfx/compositor/compositor.h"
+#include "ui/gfx/compositor/test/compositor_test_support.h"
+#include "ui/views/test/test_views_delegate.h"
+#include "ui/views/focus/accelerator_handler.h"
+
+namespace ash {
+namespace shell {
+void InitWindowTypeLauncher();
+
+namespace {
+class ShellViewsDelegate : public views::TestViewsDelegate {
+ public:
+  ShellViewsDelegate() {}
+  virtual ~ShellViewsDelegate() {}
+
+  // Overridden from views::TestViewsDelegate:
+  virtual views::NonClientFrameView* CreateDefaultNonClientFrameView(
+      views::Widget* widget) OVERRIDE {
+    return ash::Shell::GetInstance()->CreateDefaultNonClientFrameView(widget);
+  }
+  bool UseTransparentWindows() const OVERRIDE {
+    // Ash uses transparent window frames.
+    return true;
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ShellViewsDelegate);
+};
+
+}  // namespace
+
+ShellBrowserMainParts::ShellBrowserMainParts(
+    const content::MainFunctionParams& parameters)
+    : BrowserMainParts(),
+      devtools_delegate_(NULL) {
+}
+
+ShellBrowserMainParts::~ShellBrowserMainParts() {
+}
+
+#if !defined(OS_MACOSX)
+void ShellBrowserMainParts::PreMainMessageLoopStart() {
+}
+#endif
+
+int ShellBrowserMainParts::PreCreateThreads() {
+  return 0;
+}
+
+void ShellBrowserMainParts::PreMainMessageLoopRun() {
+  browser_context_.reset(new content::ShellBrowserContext);
+
+  // A ViewsDelegate is required.
+  if (!views::ViewsDelegate::views_delegate)
+    views::ViewsDelegate::views_delegate = new ShellViewsDelegate;
+
+  ash::shell::ShellDelegateImpl* delegate = new ash::shell::ShellDelegateImpl;
+  ash::Shell::CreateInstance(delegate);
+  ash::Shell::GetInstance()->set_browser_context(browser_context_.get());
+
+  window_watcher_.reset(new ash::shell::WindowWatcher);
+  delegate->SetWatcher(window_watcher_.get());
+
+  ash::shell::InitWindowTypeLauncher();
+
+  ash::Shell::GetRootWindow()->ShowRootWindow();
+}
+
+void ShellBrowserMainParts::PostMainMessageLoopRun() {
+  if (devtools_delegate_)
+    devtools_delegate_->Stop();
+  browser_context_.reset();
+
+  window_watcher_.reset();
+  ash::Shell::DeleteInstance();
+  aura::Env::DeleteInstance();
+}
+
+bool ShellBrowserMainParts::MainMessageLoopRun(int* result_code) {
+  MessageLoopForUI::current()->Run();
+  return true;
+}
+
+ui::Clipboard* ShellBrowserMainParts::GetClipboard() {
+  if (!clipboard_.get())
+    clipboard_.reset(new ui::Clipboard());
+  return clipboard_.get();
+}
+
+}  // namespace shell
+}  // namespace ash
diff --git a/ash/shell/content_client/shell_browser_main_parts.h b/ash/shell/content_client/shell_browser_main_parts.h
new file mode 100644
index 0000000..7a0496b
--- /dev/null
+++ b/ash/shell/content_client/shell_browser_main_parts.h
@@ -0,0 +1,77 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef ASH_SHELL_CONTENT_CLIENT_EXAMPLES_BROWSER_MAIN_PARTS_H_
+#define ASH_SHELL_CONTENT_CLIENT_EXAMPLES_BROWSER_MAIN_PARTS_H_
+#pragma once
+
+#include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
+#include "content/public/browser/browser_main_parts.h"
+
+namespace base {
+class Thread;
+}
+
+namespace ui {
+class Clipboard;
+}
+
+namespace content {
+class ShellBrowserContext;
+class ShellDevToolsDelegate;
+struct MainFunctionParams;
+}
+
+namespace views {
+class ViewsDelegate;
+}
+
+namespace ash {
+namespace shell {
+
+class WindowWatcher;
+
+class ShellBrowserMainParts : public content::BrowserMainParts {
+ public:
+  explicit ShellBrowserMainParts(
+      const content::MainFunctionParams& parameters);
+  virtual ~ShellBrowserMainParts();
+
+  // Overridden from content::BrowserMainParts:
+  virtual void PreEarlyInitialization() OVERRIDE {}
+  virtual void PostEarlyInitialization() OVERRIDE {}
+  virtual void PreMainMessageLoopStart() OVERRIDE;
+  virtual void PostMainMessageLoopStart() OVERRIDE {}
+  virtual void ToolkitInitialized() OVERRIDE {}
+  virtual int PreCreateThreads() OVERRIDE;
+  virtual void PreMainMessageLoopRun() OVERRIDE;
+  virtual bool MainMessageLoopRun(int* result_code) OVERRIDE;
+  virtual void PostMainMessageLoopRun() OVERRIDE;
+  virtual void PostDestroyThreads() OVERRIDE {}
+
+  ui::Clipboard* GetClipboard();
+  content::ShellDevToolsDelegate* devtools_delegate() {
+    return devtools_delegate_;
+  }
+
+  content::ShellBrowserContext* browser_context() {
+    return browser_context_.get();
+  }
+
+ private:
+  scoped_ptr<content::ShellBrowserContext> browser_context_;
+
+  scoped_ptr<ui::Clipboard> clipboard_;
+  content::ShellDevToolsDelegate* devtools_delegate_;
+  scoped_ptr<views::ViewsDelegate> views_delegate_;
+  scoped_ptr<ash::shell::WindowWatcher> window_watcher_;
+
+  DISALLOW_COPY_AND_ASSIGN(ShellBrowserMainParts);
+};
+
+}  // namespace shell
+}  // namespace ash
+
+#endif  // ASH_SHELL_CONTENT_CLIENT_EXAMPLES_BROWSER_MAIN_PARTS_H_
diff --git a/ash/shell/content_client/shell_content_browser_client.cc b/ash/shell/content_client/shell_content_browser_client.cc
new file mode 100644
index 0000000..bae0eb5
--- /dev/null
+++ b/ash/shell/content_client/shell_content_browser_client.cc
@@ -0,0 +1,373 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ash/shell/content_client/shell_content_browser_client.h"
+
+#include "ash/shell/content_client/shell_browser_main_parts.h"
+#include "base/command_line.h"
+#include "base/file_path.h"
+#include "content/public/browser/resource_dispatcher_host.h"
+#include "content/shell/shell.h"
+#include "content/shell/shell_devtools_delegate.h"
+#include "content/shell/shell_render_view_host_observer.h"
+#include "content/shell/shell_resource_dispatcher_host_delegate.h"
+#include "content/shell/shell_switches.h"
+#include "googleurl/src/gurl.h"
+#include "third_party/skia/include/core/SkBitmap.h"
+
+namespace ash {
+namespace shell {
+
+ShellContentBrowserClient::ShellContentBrowserClient()
+    : shell_browser_main_parts_(NULL) {
+}
+
+ShellContentBrowserClient::~ShellContentBrowserClient() {
+}
+
+content::BrowserMainParts* ShellContentBrowserClient::CreateBrowserMainParts(
+    const content::MainFunctionParams& parameters) {
+  shell_browser_main_parts_ =  new ShellBrowserMainParts(parameters);
+  return shell_browser_main_parts_;
+}
+
+content::WebContentsView*
+    ShellContentBrowserClient::OverrideCreateWebContentsView(
+        content::WebContents* web_contents) {
+  return NULL;
+}
+
+content::WebContentsViewDelegate*
+    ShellContentBrowserClient::GetWebContentsViewDelegate(
+        content::WebContents* web_contents) {
+  return NULL;
+}
+
+void ShellContentBrowserClient::RenderViewHostCreated(
+    content::RenderViewHost* render_view_host) {
+  new content::ShellRenderViewHostObserver(render_view_host);
+}
+
+void ShellContentBrowserClient::RenderProcessHostCreated(
+    content::RenderProcessHost* host) {
+}
+
+content::WebUIControllerFactory*
+    ShellContentBrowserClient::GetWebUIControllerFactory() {
+  return NULL;
+}
+
+GURL ShellContentBrowserClient::GetEffectiveURL(
+    content::BrowserContext* browser_context, const GURL& url) {
+  return GURL();
+}
+
+bool ShellContentBrowserClient::ShouldUseProcessPerSite(
+    content::BrowserContext* browser_context, const GURL& effective_url) {
+  return false;
+}
+
+bool ShellContentBrowserClient::IsHandledURL(const GURL& url) {
+  return false;
+}
+
+bool ShellContentBrowserClient::IsSuitableHost(
+    content::RenderProcessHost* process_host,
+    const GURL& site_url) {
+  return true;
+}
+
+bool ShellContentBrowserClient::ShouldTryToUseExistingProcessHost(
+    content::BrowserContext* browser_context, const GURL& url) {
+  return false;
+}
+
+void ShellContentBrowserClient::SiteInstanceGotProcess(
+    content::SiteInstance* site_instance) {
+}
+
+void ShellContentBrowserClient::SiteInstanceDeleting(
+    content::SiteInstance* site_instance) {
+}
+
+bool ShellContentBrowserClient::ShouldSwapProcessesForNavigation(
+    const GURL& current_url,
+    const GURL& new_url) {
+  return false;
+}
+
+std::string ShellContentBrowserClient::GetCanonicalEncodingNameByAliasName(
+    const std::string& alias_name) {
+  return std::string();
+}
+
+void ShellContentBrowserClient::AppendExtraCommandLineSwitches(
+    CommandLine* command_line, int child_process_id) {
+  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kDumpRenderTree))
+    command_line->AppendSwitch(switches::kDumpRenderTree);
+}
+
+std::string ShellContentBrowserClient::GetApplicationLocale() {
+  return std::string();
+}
+
+std::string ShellContentBrowserClient::GetAcceptLangs(
+    content::BrowserContext* context) {
+  return std::string();
+}
+
+SkBitmap* ShellContentBrowserClient::GetDefaultFavicon() {
+  static SkBitmap empty;
+  return &empty;
+}
+
+bool ShellContentBrowserClient::AllowAppCache(
+    const GURL& manifest_url,
+    const GURL& first_party,
+    content::ResourceContext* context) {
+  return true;
+}
+
+bool ShellContentBrowserClient::AllowGetCookie(
+    const GURL& url,
+    const GURL& first_party,
+    const net::CookieList& cookie_list,
+    content::ResourceContext* context,
+    int render_process_id,
+    int render_view_id) {
+  return true;
+}
+
+bool ShellContentBrowserClient::AllowSetCookie(
+    const GURL& url,
+    const GURL& first_party,
+    const std::string& cookie_line,
+    content::ResourceContext* context,
+    int render_process_id,
+    int render_view_id,
+    net::CookieOptions* options) {
+  return true;
+}
+
+bool ShellContentBrowserClient::AllowSaveLocalState(
+    content::ResourceContext* context) {
+  return true;
+}
+
+bool ShellContentBrowserClient::AllowWorkerDatabase(
+    const GURL& url,
+    const string16& name,
+    const string16& display_name,
+    unsigned long estimated_size,
+    content::ResourceContext* context,
+    const std::vector<std::pair<int, int> >& render_views) {
+  return true;
+}
+
+bool ShellContentBrowserClient::AllowWorkerFileSystem(
+    const GURL& url,
+    content::ResourceContext* context,
+    const std::vector<std::pair<int, int> >& render_views) {
+  return true;
+}
+
+bool ShellContentBrowserClient::AllowWorkerIndexedDB(
+    const GURL& url,
+    const string16& name,
+    content::ResourceContext* context,
+    const std::vector<std::pair<int, int> >& render_views) {
+  return true;
+}
+
+content::QuotaPermissionContext*
+    ShellContentBrowserClient::CreateQuotaPermissionContext() {
+  return NULL;
+}
+
+net::URLRequestContext*
+    ShellContentBrowserClient::OverrideRequestContextForURL(
+        const GURL& url, content::ResourceContext* context) {
+  return NULL;
+}
+
+void ShellContentBrowserClient::OpenItem(const FilePath& path) {
+}
+
+void ShellContentBrowserClient::ShowItemInFolder(const FilePath& path) {
+}
+
+void ShellContentBrowserClient::AllowCertificateError(
+    int render_process_id,
+    int render_view_id,
+    int cert_error,
+    const net::SSLInfo& ssl_info,
+    const GURL& request_url,
+    bool overridable,
+    const base::Callback<void(bool)>& callback,
+    bool* cancel_request) {
+}
+
+void ShellContentBrowserClient::SelectClientCertificate(
+    int render_process_id,
+    int render_view_id,
+    const net::HttpNetworkSession* network_session,
+    net::SSLCertRequestInfo* cert_request_info,
+    const base::Callback<void(net::X509Certificate*)>& callback) {
+}
+
+void ShellContentBrowserClient::AddNewCertificate(
+    net::URLRequest* request,
+    net::X509Certificate* cert,
+    int render_process_id,
+    int render_view_id) {
+}
+
+void ShellContentBrowserClient::RequestMediaAccessPermission(
+    const content::MediaStreamRequest* request,
+    const content::MediaResponseCallback& callback) {
+}
+
+content::MediaObserver* ShellContentBrowserClient::GetMediaObserver() {
+  return NULL;
+}
+
+void ShellContentBrowserClient::RequestDesktopNotificationPermission(
+    const GURL& source_origin,
+    int callback_context,
+    int render_process_id,
+    int render_view_id) {
+}
+
+WebKit::WebNotificationPresenter::Permission
+    ShellContentBrowserClient::CheckDesktopNotificationPermission(
+        const GURL& source_origin,
+        content::ResourceContext* context,
+        int render_process_id) {
+  return WebKit::WebNotificationPresenter::PermissionAllowed;
+}
+
+void ShellContentBrowserClient::ShowDesktopNotification(
+    const content::ShowDesktopNotificationHostMsgParams& params,
+    int render_process_id,
+    int render_view_id,
+    bool worker) {
+}
+
+void ShellContentBrowserClient::CancelDesktopNotification(
+    int render_process_id,
+    int render_view_id,
+    int notification_id) {
+}
+
+bool ShellContentBrowserClient::CanCreateWindow(
+    const GURL& opener_url,
+    const GURL& origin,
+    WindowContainerType container_type,
+    content::ResourceContext* context,
+    int render_process_id,
+    bool* no_javascript_access) {
+  *no_javascript_access = false;
+  return true;
+}
+
+std::string ShellContentBrowserClient::GetWorkerProcessTitle(
+    const GURL& url, content::ResourceContext* context) {
+  return std::string();
+}
+
+void ShellContentBrowserClient::ResourceDispatcherHostCreated() {
+  resource_dispatcher_host_delegate_.reset(
+      new content::ShellResourceDispatcherHostDelegate);
+  content::ResourceDispatcherHost::Get()->SetDelegate(
+      resource_dispatcher_host_delegate_.get());
+}
+
+content::SpeechRecognitionManagerDelegate*
+    ShellContentBrowserClient::GetSpeechRecognitionManagerDelegate() {
+  return NULL;
+}
+
+ui::Clipboard* ShellContentBrowserClient::GetClipboard() {
+  return shell_browser_main_parts_->GetClipboard();
+}
+
+net::NetLog* ShellContentBrowserClient::GetNetLog() {
+  return NULL;
+}
+
+content::AccessTokenStore*
+    ShellContentBrowserClient::CreateAccessTokenStore() {
+  return NULL;
+}
+
+bool ShellContentBrowserClient::IsFastShutdownPossible() {
+  return true;
+}
+
+void ShellContentBrowserClient::OverrideWebkitPrefs(
+    content::RenderViewHost* rvh,
+    const GURL& url,
+    WebPreferences* prefs) {
+}
+
+void ShellContentBrowserClient::UpdateInspectorSetting(
+    content::RenderViewHost* rvh,
+    const std::string& key,
+    const std::string& value) {
+}
+
+void ShellContentBrowserClient::ClearInspectorSettings(
+    content::RenderViewHost* rvh) {
+}
+
+void ShellContentBrowserClient::BrowserURLHandlerCreated(
+    content::BrowserURLHandler* handler) {
+}
+
+void ShellContentBrowserClient::ClearCache(content::RenderViewHost* rvh) {
+}
+
+void ShellContentBrowserClient::ClearCookies(content::RenderViewHost* rvh) {
+}
+
+FilePath ShellContentBrowserClient::GetDefaultDownloadDirectory() {
+  return FilePath();
+}
+
+std::string ShellContentBrowserClient::GetDefaultDownloadName() {
+  return "download";
+}
+
+bool ShellContentBrowserClient::AllowSocketAPI(
+    content::BrowserContext* browser_context,
+    const GURL& url) {
+  return false;
+}
+
+#if defined(OS_POSIX) && !defined(OS_MACOSX)
+int ShellContentBrowserClient::GetCrashSignalFD(
+    const CommandLine& command_line) {
+  return -1;
+}
+#endif
+
+#if defined(OS_WIN)
+const wchar_t* ShellContentBrowserClient::GetResourceDllName() {
+  return NULL;
+}
+#endif
+
+#if defined(USE_NSS)
+crypto::CryptoModuleBlockingPasswordDelegate*
+    ShellContentBrowserClient::GetCryptoPasswordDelegate(const GURL& url) {
+  return NULL;
+}
+#endif
+
+content::ShellBrowserContext* ShellContentBrowserClient::browser_context() {
+  return shell_browser_main_parts_->browser_context();
+}
+
+}  // namespace examples
+}  // namespace views
diff --git a/ash/shell/content_client/shell_content_browser_client.h b/ash/shell/content_client/shell_content_browser_client.h
new file mode 100644
index 0000000..a9e70f8
--- /dev/null
+++ b/ash/shell/content_client/shell_content_browser_client.h
@@ -0,0 +1,210 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef ASH_SHELL_CONTENT_CLIENT_SHELL_CONTENT_BROWSER_CLIENT_H_
+#define ASH_SHELL_CONTENT_CLIENT_SHELL_CONTENT_BROWSER_CLIENT_H_
+#pragma once
+
+#include <string>
+
+#include "base/compiler_specific.h"
+#include "base/memory/scoped_ptr.h"
+#include "content/public/browser/content_browser_client.h"
+
+namespace content {
+class ShellBrowserContext;
+class ShellBrowserMainParts;
+class ShellResourceDispatcherHostDelegate;
+}
+
+namespace ash {
+namespace shell {
+
+class ShellBrowserMainParts;
+
+class ShellContentBrowserClient : public content::ContentBrowserClient {
+ public:
+  ShellContentBrowserClient();
+  virtual ~ShellContentBrowserClient();
+
+  // Overridden from content::ContentBrowserClient:
+  virtual content::BrowserMainParts* CreateBrowserMainParts(
+      const content::MainFunctionParams& parameters) OVERRIDE;
+  virtual content::WebContentsView* OverrideCreateWebContentsView(
+      content::WebContents* web_contents) OVERRIDE;
+  virtual content::WebContentsViewDelegate* GetWebContentsViewDelegate(
+      content::WebContents* web_contents) OVERRIDE;
+  virtual void RenderViewHostCreated(
+      content::RenderViewHost* render_view_host) OVERRIDE;
+  virtual void RenderProcessHostCreated(
+      content::RenderProcessHost* host) OVERRIDE;
+  virtual content::WebUIControllerFactory* GetWebUIControllerFactory() OVERRIDE;
+  virtual GURL GetEffectiveURL(content::BrowserContext* browser_context,
+                               const GURL& url) OVERRIDE;
+  virtual bool ShouldUseProcessPerSite(content::BrowserContext* browser_context,
+                                       const GURL& effective_url) OVERRIDE;
+  virtual bool IsHandledURL(const GURL& url) OVERRIDE;
+  virtual bool IsSuitableHost(content::RenderProcessHost* process_host,
+                              const GURL& site_url) OVERRIDE;
+  virtual bool ShouldTryToUseExistingProcessHost(
+      content::BrowserContext* browser_context, const GURL& url) OVERRIDE;
+  virtual void SiteInstanceGotProcess(
+      content::SiteInstance* site_instance) OVERRIDE;
+  virtual void SiteInstanceDeleting(
+      content::SiteInstance* site_instance) OVERRIDE;
+  virtual bool ShouldSwapProcessesForNavigation(const GURL& current_url,
+                                                const GURL& new_url) OVERRIDE;
+
+  virtual std::string GetCanonicalEncodingNameByAliasName(
+      const std::string& alias_name) OVERRIDE;
+  virtual void AppendExtraCommandLineSwitches(CommandLine* command_line,
+                                              int child_process_id) OVERRIDE;
+  virtual std::string GetApplicationLocale() OVERRIDE;
+  virtual std::string GetAcceptLangs(
+      content::BrowserContext* context) OVERRIDE;
+  virtual SkBitmap* GetDefaultFavicon() OVERRIDE;
+  virtual bool AllowAppCache(const GURL& manifest_url,
+                             const GURL& first_party,
+                             content::ResourceContext* context) OVERRIDE;
+  virtual bool AllowGetCookie(const GURL& url,
+                              const GURL& first_party,
+                              const net::CookieList& cookie_list,
+                              content::ResourceContext* context,
+                              int render_process_id,
+                              int render_view_id) OVERRIDE;
+  virtual bool AllowSetCookie(const GURL& url,
+                              const GURL& first_party,
+                              const std::string& cookie_line,
+                              content::ResourceContext* context,
+                              int render_process_id,
+                              int render_view_id,
+                              net::CookieOptions* options) OVERRIDE;
+  virtual bool AllowSaveLocalState(
+      content::ResourceContext* context) OVERRIDE;
+  virtual bool AllowWorkerDatabase(
+      const GURL& url,
+      const string16& name,
+      const string16& display_name,
+      unsigned long estimated_size,
+      content::ResourceContext* context,
+      const std::vector<std::pair<int, int> >& render_views) OVERRIDE;
+  virtual bool AllowWorkerFileSystem(
+      const GURL& url,
+      content::ResourceContext* context,
+      const std::vector<std::pair<int, int> >& render_views) OVERRIDE;
+  virtual bool AllowWorkerIndexedDB(
+      const GURL& url,
+      const string16& name,
+      content::ResourceContext* context,
+      const std::vector<std::pair<int, int> >& render_views) OVERRIDE;
+  virtual net::URLRequestContext* OverrideRequestContextForURL(
+      const GURL& url, content::ResourceContext* context) OVERRIDE;
+  virtual content::QuotaPermissionContext*
+      CreateQuotaPermissionContext() OVERRIDE;
+  virtual void OpenItem(const FilePath& path) OVERRIDE;
+  virtual void ShowItemInFolder(const FilePath& path) OVERRIDE;
+  virtual void AllowCertificateError(
+      int render_process_id,
+      int render_view_id,
+      int cert_error,
+      const net::SSLInfo& ssl_info,
+      const GURL& request_url,
+      bool overridable,
+      const base::Callback<void(bool)>& callback,
+      bool* cancel_request) OVERRIDE;
+  virtual void SelectClientCertificate(
+      int render_process_id,
+      int render_view_id,
+      const net::HttpNetworkSession* network_session,
+      net::SSLCertRequestInfo* cert_request_info,
+      const base::Callback<void(net::X509Certificate*)>& callback) OVERRIDE;
+  virtual void AddNewCertificate(
+      net::URLRequest* request,
+      net::X509Certificate* cert,
+      int render_process_id,
+      int render_view_id) OVERRIDE;
+  virtual void RequestMediaAccessPermission(
+      const content::MediaStreamRequest* request,
+      const content::MediaResponseCallback& callback) OVERRIDE;
+  virtual content::MediaObserver* GetMediaObserver() OVERRIDE;
+  virtual void RequestDesktopNotificationPermission(
+      const GURL& source_origin,
+      int callback_context,
+      int render_process_id,
+      int render_view_id) OVERRIDE;
+  virtual WebKit::WebNotificationPresenter::Permission
+      CheckDesktopNotificationPermission(
+          const GURL& origin,
+          content::ResourceContext* context,
+          int render_process_id) OVERRIDE;
+  virtual void ShowDesktopNotification(
+      const content::ShowDesktopNotificationHostMsgParams& params,
+      int render_process_id,
+      int render_view_id,
+      bool worker) OVERRIDE;
+  virtual void CancelDesktopNotification(
+      int render_process_id,
+      int render_view_id,
+      int notification_id) OVERRIDE;
+  virtual bool CanCreateWindow(
+      const GURL& opener_url,
+      const GURL& origin,
+      WindowContainerType container_type,
+      content::ResourceContext* context,
+      int render_process_id,
+      bool* no_javascript_access) OVERRIDE;
+  virtual std::string GetWorkerProcessTitle(
+      const GURL& url, content::ResourceContext* context) OVERRIDE;
+  virtual void ResourceDispatcherHostCreated() OVERRIDE;
+  virtual content::SpeechRecognitionManagerDelegate*
+      GetSpeechRecognitionManagerDelegate() OVERRIDE;
+  virtual ui::Clipboard* GetClipboard() OVERRIDE;
+  virtual net::NetLog* GetNetLog() OVERRIDE;
+  virtual content::AccessTokenStore* CreateAccessTokenStore() OVERRIDE;
+  virtual bool IsFastShutdownPossible() OVERRIDE;
+  virtual void OverrideWebkitPrefs(content::RenderViewHost* rvh,
+                                   const GURL& url,
+                                   WebPreferences* prefs) OVERRIDE;
+  virtual void UpdateInspectorSetting(content::RenderViewHost* rvh,
+                                      const std::string& key,
+                                      const std::string& value) OVERRIDE;
+  virtual void ClearInspectorSettings(content::RenderViewHost* rvh) OVERRIDE;
+  virtual void BrowserURLHandlerCreated(
+      content::BrowserURLHandler* handler) OVERRIDE;
+  virtual void ClearCache(content::RenderViewHost* rvh)  OVERRIDE;
+  virtual void ClearCookies(content::RenderViewHost* rvh)  OVERRIDE;
+  virtual FilePath GetDefaultDownloadDirectory() OVERRIDE;
+  virtual std::string GetDefaultDownloadName() OVERRIDE;
+  virtual bool AllowSocketAPI(content::BrowserContext* browser_context,
+                              const GURL& url) OVERRIDE;
+
+#if defined(OS_POSIX) && !defined(OS_MACOSX)
+  virtual int GetCrashSignalFD(const CommandLine& command_line) OVERRIDE;
+#endif
+
+#if defined(OS_WIN)
+  virtual const wchar_t* GetResourceDllName() OVERRIDE;
+#endif
+
+#if defined(USE_NSS)
+  virtual
+      crypto::CryptoModuleBlockingPasswordDelegate* GetCryptoPasswordDelegate(
+          const GURL& url) OVERRIDE;
+#endif
+
+  content::ShellBrowserContext* browser_context();
+
+ private:
+  scoped_ptr<content::ShellResourceDispatcherHostDelegate>
+      resource_dispatcher_host_delegate_;
+
+  ShellBrowserMainParts* shell_browser_main_parts_;
+
+  DISALLOW_COPY_AND_ASSIGN(ShellContentBrowserClient);
+};
+
+}  // namespace shell
+}  // namespace ash
+
+#endif  // ASH_SHELL_CONTENT_CLIENT_SHELL_CONTENT_BROWSER_CLIENT_H_
diff --git a/ash/shell/content_client/shell_main_delegate.cc b/ash/shell/content_client/shell_main_delegate.cc
new file mode 100644
index 0000000..660901e
--- /dev/null
+++ b/ash/shell/content_client/shell_main_delegate.cc
@@ -0,0 +1,108 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ash/shell/content_client/shell_main_delegate.h"
+
+#include "ash/shell/content_client/shell_content_browser_client.h"
+#include "base/command_line.h"
+#include "base/file_path.h"
+#include "base/path_service.h"
+#include "content/public/browser/browser_main_runner.h"
+#include "content/public/common/content_switches.h"
+#include "content/shell/shell_content_plugin_client.h"
+#include "content/shell/shell_content_renderer_client.h"
+#include "content/shell/shell_content_utility_client.h"
+#include "ui/base/resource/resource_bundle.h"
+#include "ui/base/ui_base_paths.h"
+
+namespace ash {
+namespace shell {
+namespace {
+
+int ShellBrowserMain(
+    const content::MainFunctionParams& main_function_params) {
+  scoped_ptr<content::BrowserMainRunner> main_runner(
+      content::BrowserMainRunner::Create());
+  int exit_code = main_runner->Initialize(main_function_params);
+  if (exit_code >= 0)
+    return exit_code;
+  exit_code = main_runner->Run();
+  main_runner->Shutdown();
+  return exit_code;
+}
+
+}
+
+ShellMainDelegate::ShellMainDelegate() {
+}
+
+ShellMainDelegate::~ShellMainDelegate() {
+}
+
+bool ShellMainDelegate::BasicStartupComplete(int* exit_code) {
+  return false;
+}
+
+void ShellMainDelegate::PreSandboxStartup() {
+  const CommandLine& command_line = *CommandLine::ForCurrentProcess();
+  std::string process_type =
+      command_line.GetSwitchValueASCII(switches::kProcessType);
+
+  content::SetContentClient(&content_client_);
+  InitializeShellContentClient(process_type);
+
+  InitializeResourceBundle();
+}
+
+void ShellMainDelegate::SandboxInitialized(const std::string& process_type) {
+}
+
+int ShellMainDelegate::RunProcess(
+    const std::string& process_type,
+    const content::MainFunctionParams& main_function_params) {
+  if (process_type != "")
+    return -1;
+
+  return ShellBrowserMain(main_function_params);
+}
+
+void ShellMainDelegate::ProcessExiting(const std::string& process_type) {
+}
+
+#if defined(OS_POSIX)
+content::ZygoteForkDelegate* ShellMainDelegate::ZygoteStarting() {
+  return NULL;
+}
+
+void ShellMainDelegate::ZygoteForked() {
+  const CommandLine& command_line = *CommandLine::ForCurrentProcess();
+  std::string process_type =
+      command_line.GetSwitchValueASCII(switches::kProcessType);
+  InitializeShellContentClient(process_type);
+}
+#endif
+
+void ShellMainDelegate::InitializeShellContentClient(
+    const std::string& process_type) {
+  if (process_type.empty()) {
+    browser_client_.reset(new ShellContentBrowserClient);
+    content::GetContentClient()->set_browser(browser_client_.get());
+  } else if (process_type == switches::kRendererProcess) {
+    renderer_client_.reset(new content::ShellContentRendererClient);
+    content::GetContentClient()->set_renderer(renderer_client_.get());
+  } else if (process_type == switches::kPluginProcess) {
+    plugin_client_.reset(new content::ShellContentPluginClient);
+    content::GetContentClient()->set_plugin(plugin_client_.get());
+  } else if (process_type == switches::kUtilityProcess) {
+    utility_client_.reset(new content::ShellContentUtilityClient);
+    content::GetContentClient()->set_utility(utility_client_.get());
+  }
+}
+
+void ShellMainDelegate::InitializeResourceBundle() {
+  ui::ResourceBundle::InitSharedInstanceWithLocale("en-US");
+}
+
+}  // namespace shell
+}  // namespace ash
diff --git a/ash/shell/content_client/shell_main_delegate.h b/ash/shell/content_client/shell_main_delegate.h
new file mode 100644
index 0000000..bf04eab
--- /dev/null
+++ b/ash/shell/content_client/shell_main_delegate.h
@@ -0,0 +1,64 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef ASH_SHELL_CONTENT_CLIENT_SHELL_MAIN_DELEGATE_H_
+#define ASH_SHELL_CONTENT_CLIENT_SHELL_MAIN_DELEGATE_H_
+#pragma once
+
+#include "base/compiler_specific.h"
+#include "base/memory/scoped_ptr.h"
+#include "content/shell/shell_content_client.h"
+#include "content/public/app/content_main_delegate.h"
+
+namespace content {
+class ShellContentRendererClient;
+class ShellContentPluginClient;
+class ShellContentUtilityClient;
+}
+
+namespace ash {
+namespace shell {
+
+class ShellContentBrowserClient;
+
+class ShellMainDelegate : public content::ContentMainDelegate {
+ public:
+  ShellMainDelegate();
+  virtual ~ShellMainDelegate();
+
+  virtual bool BasicStartupComplete(int* exit_code) OVERRIDE;
+  virtual void PreSandboxStartup() OVERRIDE;
+  virtual void SandboxInitialized(const std::string& process_type) OVERRIDE;
+  virtual int RunProcess(
+      const std::string& process_type,
+      const content::MainFunctionParams& main_function_params) OVERRIDE;
+  virtual void ProcessExiting(const std::string& process_type) OVERRIDE;
+#if defined(OS_MACOSX)
+  virtual bool ProcessRegistersWithSystemProcess(
+      const std::string& process_type) OVERRIDE;
+  virtual bool ShouldSendMachPort(const std::string& process_type) OVERRIDE;
+  virtual bool DelaySandboxInitialization(
+      const std::string& process_type) OVERRIDE;
+#elif defined(OS_POSIX)
+  virtual content::ZygoteForkDelegate* ZygoteStarting() OVERRIDE;
+  virtual void ZygoteForked() OVERRIDE;
+#endif  // OS_MACOSX
+
+ private:
+  void InitializeShellContentClient(const std::string& process_type);
+  void InitializeResourceBundle();
+
+  scoped_ptr<ShellContentBrowserClient> browser_client_;
+  scoped_ptr<content::ShellContentRendererClient> renderer_client_;
+  scoped_ptr<content::ShellContentPluginClient> plugin_client_;
+  scoped_ptr<content::ShellContentUtilityClient> utility_client_;
+  content::ShellContentClient content_client_;
+
+  DISALLOW_COPY_AND_ASSIGN(ShellMainDelegate);
+};
+
+}  // namespace shell
+}  // namespace ash
+
+#endif  // ASH_SHELL_CONTENT_CLIENT_SHELL_MAIN_DELEGATE_H_
diff --git a/ash/shell/shell_main.cc b/ash/shell/shell_main.cc
index 3a5c699..303d172 100644
--- a/ash/shell/shell_main.cc
+++ b/ash/shell/shell_main.cc
@@ -2,102 +2,24 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include <map>
-
-#include "ash/launcher/launcher.h"
-#include "ash/launcher/launcher_delegate.h"
-#include "ash/launcher/launcher_model.h"
-#include "ash/launcher/launcher_types.h"
-#include "ash/shell.h"
-#include "ash/shell_delegate.h"
-#include "ash/shell_factory.h"
-#include "ash/shell_window_ids.h"
-#include "ash/shell/launcher_delegate_impl.h"
-#include "ash/shell/shell_delegate_impl.h"
-#include "ash/shell/shell_main_parts.h"
-#include "ash/shell/window_watcher.h"
-#include "base/at_exit.h"
-#include "base/command_line.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/message_loop.h"
-#include "ui/aura/env.h"
-#include "ui/aura/client/window_types.h"
-#include "ui/aura/root_window.h"
-#include "ui/aura/window_observer.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/base/ui_base_paths.h"
-#include "ui/gfx/canvas.h"
-#include "ui/gfx/compositor/test/compositor_test_support.h"
-#include "ui/views/test/test_views_delegate.h"
-#include "ui/views/widget/widget.h"
-#include "ui/views/widget/widget_delegate.h"
-
-namespace {
-
-class ShellViewsDelegate : public views::TestViewsDelegate {
- public:
-  ShellViewsDelegate() {}
-  virtual ~ShellViewsDelegate() {}
-
-  // Overridden from views::TestViewsDelegate:
-  virtual views::NonClientFrameView* CreateDefaultNonClientFrameView(
-      views::Widget* widget) OVERRIDE {
-    return ash::Shell::GetInstance()->CreateDefaultNonClientFrameView(widget);
-  }
-  bool UseTransparentWindows() const OVERRIDE {
-    // Ash uses transparent window frames.
-    return true;
-  }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(ShellViewsDelegate);
-};
-
-}  // namespace
-
-namespace ash {
-namespace shell {
-
-void InitWindowTypeLauncher();
-
-}  // namespace shell
-}  // namespace ash
-
-int main(int argc, char** argv) {
-  CommandLine::Init(argc, argv);
-
-  // The exit manager is in charge of calling the dtors of singleton objects.
-  base::AtExitManager exit_manager;
-
-  ash::shell::PreMainMessageLoopStart();
-
-  // Create the message-loop here before creating the root window.
-  MessageLoop message_loop(MessageLoop::TYPE_UI);
-  ui::CompositorTestSupport::Initialize();
-
-  // A ViewsDelegate is required.
-  if (!views::ViewsDelegate::views_delegate)
-    views::ViewsDelegate::views_delegate = new ShellViewsDelegate;
-
-  ash::shell::ShellDelegateImpl* delegate = new ash::shell::ShellDelegateImpl;
-  ash::Shell::CreateInstance(delegate);
-
-  scoped_ptr<ash::shell::WindowWatcher> window_watcher(
-      new ash::shell::WindowWatcher);
-  delegate->SetWatcher(window_watcher.get());
-
-  ash::shell::InitWindowTypeLauncher();
-
-  ash::Shell::GetRootWindow()->ShowRootWindow();
-  MessageLoopForUI::current()->Run();
-
-  window_watcher.reset();
-
-  ash::Shell::DeleteInstance();
-
-  aura::Env::DeleteInstance();
-
-  ui::CompositorTestSupport::Terminate();
-
-  return 0;
+#include "content/public/app/content_main.h"
+#include "sandbox/src/sandbox_types.h"
+#include "ash/shell/content_client/shell_main_delegate.h"
+
+#if defined(OS_WIN)
+#include "content/public/app/startup_helper_win.h"
+#endif
+
+#if defined(OS_WIN)
+int APIENTRY wWinMain(HINSTANCE instance, HINSTANCE, wchar_t*, int) {
+  sandbox::SandboxInterfaceInfo sandbox_info = {0};
+  content::InitializeSandboxInfo(&sandbox_info);
+  ash::shell::ShellMainDelegate delegate;
+  return content::ContentMain(instance, &sandbox_info, &delegate);
+}
+#else
+int main(int argc, const char** argv) {
+  ash::shell::ShellMainDelegate delegate;
+  return content::ContentMain(argc, argv, &delegate);
 }
+#endif
diff --git a/ash/shell/window_type_launcher.cc b/ash/shell/window_type_launcher.cc
index c6f5427..f3abad2 100644
--- a/ash/shell/window_type_launcher.cc
+++ b/ash/shell/window_type_launcher.cc
@@ -308,8 +308,9 @@ void WindowTypeLauncher::ButtonPressed(views::Button* sender,
   }
 #if !defined(OS_MACOSX)
   else if (sender == examples_button_) {
-    views::examples::ShowExamplesWindow(views::examples::DO_NOTHING_ON_CLOSE,
-                                        NULL);
+    views::examples::ShowExamplesWindow(
+        views::examples::DO_NOTHING_ON_CLOSE,
+        ash::Shell::GetInstance()->browser_context());
   }
 #endif  // !defined(OS_MACOSX)
 }