Add an API around InterstitialPage that's used by chrome.

BUG=98716
Review URL: https://chromiumcodereview.appspot.com/9348064

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@121059 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 90 insertions, 2 deletions

diff --git a/content/public/browser/interstitial_page.h b/content/public/browser/interstitial_page.h
new file mode 100644
index 0000000..0e9a101
--- /dev/null
+++ b/content/public/browser/interstitial_page.h
@@ -0,0 +1,88 @@
+// 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 CONTENT_PUBLIC_BROWSER_INTERSTITIAL_PAGE_H_
+#define CONTENT_PUBLIC_BROWSER_INTERSTITIAL_PAGE_H_
+#pragma once
+
+#include "content/common/content_export.h"
+
+class GURL;
+class RenderViewHost;
+
+namespace gfx {
+class Size;
+}
+
+namespace content {
+
+class InterstitialPageDelegate;
+class WebContents;
+
+// This class is used for showing interstitial pages, pages that show some
+// informative message asking for user validation before reaching the target
+// page. (Navigating to a page served over bad HTTPS or a page containing
+// malware are typical cases where an interstitial is required.)
+//
+// If specified in the Create function, this class creates a navigation entry so
+// that when the interstitial shows, the current entry is the target URL.
+//
+// InterstitialPage instances take care of deleting themselves when closed
+// through a navigation, the WebContents closing them or the tab containing them
+// being closed.
+
+class InterstitialPage {
+ public:
+  // Creates an interstitial page to show in |tab|. |new_navigation| should be
+  // set to true when the interstitial is caused by loading a new page, in which
+  // case a temporary navigation entry is created with the URL |url| and added
+  // to the navigation controller (so the interstitial page appears as a new
+  // navigation entry). |new_navigation| should be false when the interstitial
+  // was triggered by a loading a sub-resource in a page. Takes ownership of
+  // |delegate|.
+  CONTENT_EXPORT static InterstitialPage* Create(
+      WebContents* tab,
+      bool new_navigation,
+      const GURL& url,
+      InterstitialPageDelegate* delegate);
+
+  // Retrieves the InterstitialPage if any associated with the specified
+  // |web_contents| (used by ui tests).
+  CONTENT_EXPORT static InterstitialPage* GetInterstitialPage(
+      WebContents* web_contents);
+
+  virtual ~InterstitialPage() {}
+
+  // Shows the interstitial page in the tab.
+  virtual void Show() = 0;
+
+  // Hides the interstitial page.
+  virtual void Hide() = 0;
+
+  // Reverts to the page showing before the interstitial.
+  // Delegates should call this method when the user has chosen NOT to proceed
+  // to the target URL.
+  // Warning: if |new_navigation| was set to true in the constructor, 'this'
+  //          will be deleted when this method returns.
+  virtual void DontProceed() = 0;
+
+  // Delegates should call this method when the user has chosen to proceed to
+  // the target URL.
+  // Warning: 'this' has been deleted when this method returns.
+  virtual void Proceed() = 0;
+
+  // Sizes the RenderViewHost showing the actual interstitial page contents.
+  virtual void SetSize(const gfx::Size& size) = 0;
+
+  // Sets the focus to the interstitial.
+  virtual void Focus() = 0;
+
+  virtual RenderViewHost* GetRenderViewHostForTesting() const = 0;
+  virtual InterstitialPageDelegate* GetDelegateForTesting() = 0;
+  virtual void DontCreateViewForTesting() = 0;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_TAB_CONTENTS_INTERSTITIAL_PAGE_H_
diff --git a/content/public/browser/utility_process_host.h b/content/public/browser/utility_process_host.h
index a965b96..5320818 100644
--- a/content/public/browser/utility_process_host.h
+++ b/content/public/browser/utility_process_host.h
@@ -32,7 +32,7 @@ class UtilityProcessHost : public IPC::Message::Sender,
                            public base::SupportsWeakPtr<UtilityProcessHost> {
  public:
   // Used to create a utility process.
-  static CONTENT_EXPORT UtilityProcessHost* Create(
+  CONTENT_EXPORT static UtilityProcessHost* Create(
       UtilityProcessHostClient* client,
       BrowserThread::ID client_thread_id);
 
diff --git a/content/public/browser/web_contents.h b/content/public/browser/web_contents.h
index 2811e1df..898b436 100644
--- a/content/public/browser/web_contents.h
+++ b/content/public/browser/web_contents.h
@@ -17,7 +17,6 @@
 #include "ui/gfx/native_widget_types.h"
 #include "webkit/glue/window_open_disposition.h"
 
-class InterstitialPage;
 class RenderViewHost;
 class RenderWidgetHostView;
 class SessionStorageNamespace;
@@ -39,6 +38,7 @@ struct LoadStateWithParam;
 namespace content {
 
 class BrowserContext;
+class InterstitialPage;
 class NavigationController;
 class RenderProcessHost;
 class WebContentsDelegate;