Add a simple GUI around the content shell. This is inspired heavily by TestShell.

BUG=90445
Review URL: http://codereview.chromium.org/7983015

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@102053 0039d316-1c4b-4281-b951-d872f2087c98

9 files changed, 635 insertions, 15 deletions

diff --git a/content/shell/resource.h b/content/shell/resource.h
new file mode 100644
index 0000000..6a0d6c7
--- /dev/null
+++ b/content/shell/resource.h
@@ -0,0 +1,32 @@
+// Copyright (c) 2011 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.
+
+//{{NO_DEPENDENCIES}}
+// Microsoft Visual C++ generated include file.
+// Used by test_shell.rc
+//
+
+
+#define IDR_MAINFRAME             128
+#define IDM_EXIT                  105
+#define IDC_CONTENTSHELL          109
+#define IDC_NAV_BACK              1001
+#define IDC_NAV_FORWARD           1002
+#define IDC_NAV_RELOAD            1003
+#define IDC_NAV_STOP              1004
+#ifndef IDC_STATIC
+#define IDC_STATIC                -1
+#endif
+// Next default values for new objects
+//
+#ifdef APSTUDIO_INVOKED
+#ifndef APSTUDIO_READONLY_SYMBOLS
+
+#define _APS_NO_MFC               130
+#define _APS_NEXT_RESOURCE_VALUE  129
+#define _APS_NEXT_COMMAND_VALUE   32771
+#define _APS_NEXT_CONTROL_VALUE   1000
+#define _APS_NEXT_SYMED_VALUE     117
+#endif
+#endif
diff --git a/content/shell/shell.cc b/content/shell/shell.cc
new file mode 100644
index 0000000..a41c91c
--- /dev/null
+++ b/content/shell/shell.cc
@@ -0,0 +1,102 @@
+// Copyright (c) 2011 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 "content/shell/shell.h"
+
+#include "base/message_loop.h"
+#include "base/path_service.h"
+#include "base/string_util.h"
+#include "content/browser/tab_contents/navigation_controller.h"
+#include "content/browser/tab_contents/tab_contents.h"
+#include "content/shell/shell_browser_context.h"
+#include "ui/gfx/size.h"
+
+#if defined(OS_WIN)
+#include "content/browser/tab_contents/tab_contents_view_win.h"
+#endif
+
+// Content area size for newly created windows.
+static const int kTestWindowWidth = 800;
+static const int kTestWindowHeight = 600;
+
+namespace content {
+
+int Shell::shell_count_;
+
+Shell::Shell()
+    : main_window_(NULL),
+      edit_window_(NULL)
+#if defined(OS_WIN)
+      , default_edit_wnd_proc_(0)
+#endif
+  {
+    shell_count_++;
+}
+
+Shell::~Shell() {
+  PlatformCleanUp();
+  --shell_count_;
+}
+
+Shell* Shell::CreateNewWindow(ShellBrowserContext* browser_context) {
+  Shell* shell = new Shell();
+  shell->PlatformCreateWindow();
+
+  shell->PlatformSizeTo(kTestWindowWidth, kTestWindowHeight);
+
+  shell->tab_contents_.reset(new TabContents(
+      browser_context,
+      NULL,
+      MSG_ROUTING_NONE,
+      NULL,
+      NULL));
+
+#if defined (OS_WIN)
+  TabContentsViewWin* view =
+      static_cast<TabContentsViewWin*>(shell->tab_contents_->view());
+  view->SetParent(shell->main_window_);
+#endif
+
+  shell->PlatformResizeSubViews();
+
+  shell->LoadURL(GURL("http://www.google.com"));
+  return shell;
+}
+
+void Shell::LoadURL(const GURL& url) {
+  tab_contents_->controller().LoadURL(
+      url,
+      GURL(),
+      PageTransition::TYPED,
+      std::string());
+}
+
+void Shell::GoBackOrForward(int offset) {
+  tab_contents_->controller().GoToOffset(offset);
+}
+
+void Shell::Reload() {
+  tab_contents_->controller().Reload(false);
+}
+
+void Shell::Stop() {
+  tab_contents_->Stop();
+}
+
+void Shell::UpdateNavigationControls() {
+  int current_index = tab_contents_->controller().GetCurrentEntryIndex();
+  int max_index = tab_contents_->controller().entry_count() - 1;
+
+  PlatformEnableUIControl(BACK_BUTTON, current_index > 0);
+  PlatformEnableUIControl(FORWARD_BUTTON, current_index < max_index);
+  PlatformEnableUIControl(STOP_BUTTON, true);//is_loading_);
+}
+
+gfx::NativeView Shell::GetContentView() {
+  if (!tab_contents_.get())
+    return NULL;
+  return tab_contents_->GetNativeView();
+}
+
+}  // namespace content
diff --git a/content/shell/shell.h b/content/shell/shell.h
new file mode 100644
index 0000000..ac53ac5
--- /dev/null
+++ b/content/shell/shell.h
@@ -0,0 +1,90 @@
+// Copyright (c) 2011 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 CONTENT_SHELL_SHELL_H_
+#define CONTENT_SHELL_SHELL_H_
+
+#pragma once
+
+#include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
+#include "ui/gfx/native_widget_types.h"
+
+class GURL;
+class TabContents;
+
+namespace base {
+class StringPiece;
+}
+
+namespace content {
+
+class ShellBrowserContext;
+
+// This represents one window of the Content Shell, i.e. all the UI including
+// buttons and url bar, as well as the web content area.
+class Shell {
+ public:
+  ~Shell();
+
+  void LoadURL(const GURL& url);
+  void GoBackOrForward(int offset);
+  void Reload();
+  void Stop();
+  void UpdateNavigationControls();
+
+  // Do one time initialization at application startup.
+  static void PlatformInitialize();
+
+  // This is called indirectly by the modules that need access resources.
+  static base::StringPiece PlatformResourceProvider(int key);
+
+  static Shell* CreateNewWindow(ShellBrowserContext* browser_context);
+
+ private:
+  enum UIControl {
+    BACK_BUTTON,
+    FORWARD_BUTTON,
+    STOP_BUTTON
+  };
+
+  Shell();
+
+  // All the methods that begin with Platform need to be implemented by the
+  // platform specific Shell implementation.
+  // Called from the destructor to let each platform do any necessary cleanup.
+  void PlatformCleanUp();
+  // Creates the main window GUI.
+  void PlatformCreateWindow();
+  // Resizes the main window to the given dimensions.
+  void PlatformSizeTo(int width, int height);
+  // Resize the content area and GUI.
+  void PlatformResizeSubViews();
+  // Enable/disable a button.
+  void PlatformEnableUIControl(UIControl control, bool is_enabled);
+
+  gfx::NativeView GetContentView();
+
+#if defined(OS_WIN)
+  static ATOM RegisterWindowClass();
+  static LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
+  static LRESULT CALLBACK EditWndProc(HWND, UINT, WPARAM, LPARAM);
+#endif
+
+  scoped_ptr<TabContents> tab_contents_;
+
+  gfx::NativeWindow main_window_;
+  gfx::NativeEditView edit_window_;
+
+#if defined(OS_WIN)
+  WNDPROC default_edit_wnd_proc_;
+  static HINSTANCE instance_handle_;
+#endif
+
+  static int shell_count_;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_SHELL_SHELL_H_
diff --git a/content/shell/shell.rc b/content/shell/shell.rc
new file mode 100644
index 0000000..6d34fb8
--- /dev/null
+++ b/content/shell/shell.rc
@@ -0,0 +1,70 @@
+//Microsoft Visual C++ generated resource script.

+//

+#include "shell/resource.h"

+

+#define APSTUDIO_READONLY_SYMBOLS

+/////////////////////////////////////////////////////////////////////////////

+//

+// Generated from the TEXTINCLUDE 2 resource.

+//

+#define APSTUDIO_HIDDEN_SYMBOLS

+#include "windows.h"

+#undef APSTUDIO_HIDDEN_SYMBOLS

+/////////////////////////////////////////////////////////////////////////////

+#undef APSTUDIO_READONLY_SYMBOLS

+

+#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU)

+LANGUAGE 9, 1

+#pragma code_page(1252)

+

+/////////////////////////////////////////////////////////////////////////////

+//

+// Menu

+//

+

+IDC_CONTENTSHELL MENU 

+BEGIN

+    POPUP "&File"

+    BEGIN

+        MENUITEM "E&xit",                IDM_EXIT

+    END

+END

+

+

+#ifdef APSTUDIO_INVOKED

+/////////////////////////////////////////////////////////////////////////////

+//

+// TEXTINCLUDE

+//

+1 TEXTINCLUDE  

+BEGIN

+    "resource.h\0"

+END

+

+2 TEXTINCLUDE  

+BEGIN

+    "#define APSTUDIO_HIDDEN_SYMBOLS\r\n"

+    "#include ""windows.h""\r\n"

+    "#undef APSTUDIO_HIDDEN_SYMBOLS\r\n"

+    "\0"

+END

+

+3 TEXTINCLUDE  

+BEGIN

+    "\r\n"

+    "\0"

+END

+

+#endif    // APSTUDIO_INVOKED

+

+#endif

+/////////////////////////////////////////////////////////////////////////////

+

+#ifndef APSTUDIO_INVOKED

+/////////////////////////////////////////////////////////////////////////////

+//

+// Generated from the TEXTINCLUDE 3 resource.

+//

+

+/////////////////////////////////////////////////////////////////////////////

+#endif    // not APSTUDIO_INVOKED

diff --git a/content/shell/shell_browser_main.cc b/content/shell/shell_browser_main.cc
index ed86f3b..dabfa13 100644
--- a/content/shell/shell_browser_main.cc
+++ b/content/shell/shell_browser_main.cc
@@ -9,11 +9,11 @@
 #include "base/threading/thread_restrictions.h"
 #include "content/browser/browser_process_sub_thread.h"
 #include "content/browser/renderer_host/resource_dispatcher_host.h"
-#include "content/browser/tab_contents/tab_contents.h"
-#include "content/browser/tab_contents/navigation_controller.h"
 #include "content/common/page_transition_types.h"
+#include "content/shell/shell.h"
 #include "content/shell/shell_browser_context.h"
 #include "content/shell/shell_content_browser_client.h"
+#include "net/base/net_module.h"
 #include "ui/base/clipboard/clipboard.h"
 
 namespace content {
@@ -61,17 +61,10 @@ void ShellBrowserMainParts::PreMainMessageLoopRun() {
 
   browser_context_.reset(new ShellBrowserContext(this));
 
-  tab_contents_.reset(new TabContents(
-      browser_context_.get(),
-      NULL,
-      MSG_ROUTING_NONE,
-      NULL,
-      NULL));
-  tab_contents_->controller().LoadURL(
-      GURL("http://www.google.com"),
-      GURL(),
-      PageTransition::TYPED,
-      std::string());
+  Shell::PlatformInitialize();
+  net::NetModule::SetResourceProvider(Shell::PlatformResourceProvider);
+
+  Shell::CreateNewWindow(browser_context_.get());
 }
 
 ResourceDispatcherHost* ShellBrowserMainParts::GetResourceDispatcherHost() {
@@ -79,6 +72,7 @@ ResourceDispatcherHost* ShellBrowserMainParts::GetResourceDispatcherHost() {
     ResourceQueue::DelegateSet resource_queue_delegates;
     resource_dispatcher_host_.reset(
         new ResourceDispatcherHost(resource_queue_delegates));
+    resource_dispatcher_host_->Initialize();
   }
   return resource_dispatcher_host_.get();
 }
diff --git a/content/shell/shell_browser_main.h b/content/shell/shell_browser_main.h
index fc1bb21..5d46e1f 100644
--- a/content/shell/shell_browser_main.h
+++ b/content/shell/shell_browser_main.h
@@ -10,7 +10,6 @@
 #include "content/browser/browser_main.h"
 
 class ResourceDispatcherHost;
-class TabContents;
 
 namespace base {
 class Thread;
@@ -39,7 +38,6 @@ class ShellBrowserMainParts : public BrowserMainParts {
 
  private:
   scoped_ptr<ShellBrowserContext> browser_context_;
-  scoped_ptr<TabContents> tab_contents_;
 
   scoped_ptr<ResourceDispatcherHost> resource_dispatcher_host_;
   scoped_ptr<ui::Clipboard> clipboard_;
diff --git a/content/shell/shell_gtk.cc b/content/shell/shell_gtk.cc
new file mode 100644
index 0000000..23084fa
--- /dev/null
+++ b/content/shell/shell_gtk.cc
@@ -0,0 +1,41 @@
+// Copyright (c) 2011 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 "content/shell/shell.h"
+
+#include "base/logging.h"
+#include "base/string_piece.h"
+
+namespace content {
+
+void Shell::PlatformInitialize() {
+  NOTIMPLEMENTED();
+}
+
+base::StringPiece Shell::PlatformResourceProvider(int key) {
+  NOTIMPLEMENTED();
+  return base::StringPiece();
+}
+
+void Shell::PlatformCleanUp() {
+  NOTIMPLEMENTED();
+}
+
+void Shell::PlatformEnableUIControl(UIControl control, bool is_enabled) {
+  NOTIMPLEMENTED();
+}
+
+void Shell::PlatformCreateWindow() {
+  NOTIMPLEMENTED();
+}
+
+void Shell::PlatformSizeTo(int width, int height) {
+  NOTIMPLEMENTED();
+}
+
+void Shell::PlatformResizeSubViews() {
+  NOTIMPLEMENTED();
+}
+
+}  // namespace content
diff --git a/content/shell/shell_mac.mm b/content/shell/shell_mac.mm
new file mode 100644
index 0000000..23084fa
--- /dev/null
+++ b/content/shell/shell_mac.mm
@@ -0,0 +1,41 @@
+// Copyright (c) 2011 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 "content/shell/shell.h"
+
+#include "base/logging.h"
+#include "base/string_piece.h"
+
+namespace content {
+
+void Shell::PlatformInitialize() {
+  NOTIMPLEMENTED();
+}
+
+base::StringPiece Shell::PlatformResourceProvider(int key) {
+  NOTIMPLEMENTED();
+  return base::StringPiece();
+}
+
+void Shell::PlatformCleanUp() {
+  NOTIMPLEMENTED();
+}
+
+void Shell::PlatformEnableUIControl(UIControl control, bool is_enabled) {
+  NOTIMPLEMENTED();
+}
+
+void Shell::PlatformCreateWindow() {
+  NOTIMPLEMENTED();
+}
+
+void Shell::PlatformSizeTo(int width, int height) {
+  NOTIMPLEMENTED();
+}
+
+void Shell::PlatformResizeSubViews() {
+  NOTIMPLEMENTED();
+}
+
+}  // namespace content
diff --git a/content/shell/shell_win.cc b/content/shell/shell_win.cc
new file mode 100644
index 0000000..f2647c1
--- /dev/null
+++ b/content/shell/shell_win.cc
@@ -0,0 +1,252 @@
+// Copyright (c) 2011 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 "content/shell/shell.h"
+
+#include <windows.h>
+#include <commctrl.h>
+
+#include "base/message_loop.h"
+#include "base/string_piece.h"
+#include "base/win/resource_util.h"
+#include "content/shell/resource.h"
+#include "googleurl/src/gurl.h"
+#include "grit/webkit_resources.h"
+#include "grit/webkit_chromium_resources.h"
+#include "net/base/net_module.h"
+#include "ui/base/win/hwnd_util.h"
+
+namespace {
+
+static const wchar_t kWindowTitle[] = L"Content Shell";
+static const wchar_t kWindowClass[] = L"CONTENT_SHELL";
+
+static const int kButtonWidth = 72;
+static const int kURLBarHeight = 24;
+
+static const int kMaxURLLength = 1024;
+
+static base::StringPiece GetRawDataResource(HMODULE module, int resource_id) {
+  void* data_ptr;
+  size_t data_size;
+  return base::win::GetDataResourceFromModule(module, resource_id, &data_ptr,
+                                              &data_size)
+      ? base::StringPiece(static_cast<char*>(data_ptr), data_size)
+      : base::StringPiece();
+}
+
+}  // namespace
+
+namespace content {
+
+HINSTANCE Shell::instance_handle_;
+
+void Shell::PlatformInitialize() {
+  instance_handle_ = ::GetModuleHandle(NULL);
+
+  INITCOMMONCONTROLSEX InitCtrlEx;
+  InitCtrlEx.dwSize = sizeof(INITCOMMONCONTROLSEX);
+  InitCtrlEx.dwICC  = ICC_STANDARD_CLASSES;
+  InitCommonControlsEx(&InitCtrlEx);
+  RegisterWindowClass();
+}
+
+base::StringPiece Shell::PlatformResourceProvider(int key) {
+  return GetRawDataResource(::GetModuleHandle(NULL), key);
+}
+
+void Shell::PlatformCleanUp() {
+  // When the window is destroyed, tell the Edit field to forget about us,
+  // otherwise we will crash.
+  ui::SetWindowProc(edit_window_, default_edit_wnd_proc_);
+  ui::SetWindowUserData(edit_window_, NULL);
+}
+
+void Shell::PlatformEnableUIControl(UIControl control, bool is_enabled) {
+  int id;
+  switch (control) {
+    case BACK_BUTTON:
+      id = IDC_NAV_BACK;
+      break;
+    case FORWARD_BUTTON:
+      id = IDC_NAV_FORWARD;
+      break;
+    case STOP_BUTTON:
+      id = IDC_NAV_STOP;
+      break;
+    default:
+      NOTREACHED() << "Unknown UI control";
+      return;
+  }
+  EnableWindow(GetDlgItem(main_window_, id), is_enabled);
+}
+
+void Shell::PlatformCreateWindow() {
+  main_window_ = CreateWindow(kWindowClass, kWindowTitle,
+                              WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN,
+                              CW_USEDEFAULT, 0, CW_USEDEFAULT, 0,
+                              NULL, NULL, instance_handle_, NULL);
+  ui::SetWindowUserData(main_window_, this);
+
+  HWND hwnd;
+  int x = 0;
+
+  hwnd = CreateWindow(L"BUTTON", L"Back",
+                      WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON ,
+                      x, 0, kButtonWidth, kURLBarHeight,
+                      main_window_, (HMENU) IDC_NAV_BACK, instance_handle_, 0);
+  x += kButtonWidth;
+
+  hwnd = CreateWindow(L"BUTTON", L"Forward",
+                      WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON ,
+                      x, 0, kButtonWidth, kURLBarHeight,
+                      main_window_, (HMENU) IDC_NAV_FORWARD, instance_handle_,
+                      0);
+  x += kButtonWidth;
+
+  hwnd = CreateWindow(L"BUTTON", L"Reload",
+                      WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON ,
+                      x, 0, kButtonWidth, kURLBarHeight,
+                      main_window_, (HMENU) IDC_NAV_RELOAD, instance_handle_,
+                      0);
+  x += kButtonWidth;
+
+  hwnd = CreateWindow(L"BUTTON", L"Stop",
+                      WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON ,
+                      x, 0, kButtonWidth, kURLBarHeight,
+                      main_window_, (HMENU) IDC_NAV_STOP, instance_handle_, 0);
+  x += kButtonWidth;
+
+  // This control is positioned by PlatformResizeSubViews.
+  edit_window_ = CreateWindow(L"EDIT", 0,
+                              WS_CHILD | WS_VISIBLE | WS_BORDER | ES_LEFT |
+                              ES_AUTOVSCROLL | ES_AUTOHSCROLL,
+                              x, 0, 0, 0, main_window_, 0, instance_handle_, 0);
+
+  default_edit_wnd_proc_ = ui::SetWindowProc(edit_window_, Shell::EditWndProc);
+  ui::SetWindowUserData(edit_window_, this);
+
+  ShowWindow(main_window_, SW_SHOW);
+}
+
+void Shell::PlatformSizeTo(int width, int height) {
+  RECT rc, rw;
+  GetClientRect(main_window_, &rc);
+  GetWindowRect(main_window_, &rw);
+
+  int client_width = rc.right - rc.left;
+  int window_width = rw.right - rw.left;
+  window_width = (window_width - client_width) + width;
+
+  int client_height = rc.bottom - rc.top;
+  int window_height = rw.bottom - rw.top;
+  window_height = (window_height - client_height) + height;
+
+  // Add space for the url bar.
+  window_height += kURLBarHeight;
+
+  SetWindowPos(main_window_, NULL, 0, 0, window_width, window_height,
+               SWP_NOMOVE | SWP_NOZORDER);
+}
+
+void Shell::PlatformResizeSubViews() {
+  RECT rc;
+  GetClientRect(main_window_, &rc);
+
+  int x = kButtonWidth * 4;
+  MoveWindow(edit_window_, x, 0, rc.right - x, kURLBarHeight, TRUE);
+
+  MoveWindow(GetContentView(), 0, kURLBarHeight, rc.right,
+             rc.bottom - kURLBarHeight, TRUE);
+}
+
+ATOM Shell::RegisterWindowClass() {
+  WNDCLASSEX wcex = {
+      sizeof(WNDCLASSEX),
+      CS_HREDRAW | CS_VREDRAW,
+      Shell::WndProc,
+      0,
+      0,
+      instance_handle_,
+      NULL,
+      LoadCursor(NULL, IDC_ARROW),
+      0,
+      MAKEINTRESOURCE(IDC_CONTENTSHELL),
+      kWindowClass,
+      NULL,
+    };
+  return RegisterClassEx(&wcex);
+}
+
+LRESULT CALLBACK Shell::WndProc(HWND hwnd, UINT message, WPARAM wParam,
+                                LPARAM lParam) {
+  Shell* shell = static_cast<Shell*>(ui::GetWindowUserData(hwnd));
+
+  switch (message) {
+    case WM_COMMAND: {
+      int id = LOWORD(wParam);
+      switch (id) {
+        case IDM_EXIT:
+          DestroyWindow(hwnd);
+          break;
+        case IDC_NAV_BACK:
+          shell->GoBackOrForward(-1);
+          break;
+        case IDC_NAV_FORWARD:
+          shell->GoBackOrForward(1);
+          break;
+        case IDC_NAV_RELOAD:
+        case IDC_NAV_STOP: {
+          if (id == IDC_NAV_RELOAD) {
+            shell->Reload();
+          } else {
+            shell->Stop();
+          }
+          break;
+        }
+        break;
+      }
+      break;
+    }
+    case WM_DESTROY: {
+      delete shell;
+      if (!shell_count_)
+        MessageLoop::current()->Quit();
+      return 0;
+    }
+
+    case WM_SIZE: {
+      if (shell->GetContentView())
+        shell->PlatformResizeSubViews();
+      return 0;
+    }
+  }
+
+  return DefWindowProc(hwnd, message, wParam, lParam);
+}
+
+LRESULT CALLBACK Shell::EditWndProc(HWND hwnd, UINT message,
+                                    WPARAM wParam, LPARAM lParam) {
+  Shell* shell = static_cast<Shell*>(ui::GetWindowUserData(hwnd));
+
+  switch (message) {
+    case WM_CHAR:
+      if (wParam == VK_RETURN) {
+        wchar_t str[kMaxURLLength + 1];  // Leave room for adding a NULL;
+        *(str) = kMaxURLLength;
+        LRESULT str_len = SendMessage(hwnd, EM_GETLINE, 0, (LPARAM)str);
+        if (str_len > 0) {
+          str[str_len] = 0;  // EM_GETLINE doesn't NULL terminate.
+          shell->LoadURL(GURL(str));
+        }
+
+        return 0;
+      }
+  }
+
+  return CallWindowProc(shell->default_edit_wnd_proc_, hwnd, message, wParam,
+                        lParam);
+}
+
+}  // namespace content