Move out DidStartProvisionalLoad from WebContentsImpl into Navigator.

content/browser/web_contents/web_contents_impl.h

 // 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_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 
 #include <map>
 #include <set>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
 #include "base/process/process.h"
 #include "base/values.h"
 #include "content/browser/renderer_host/frame_tree.h"
+#include "content/browser/renderer_host/navigator_observer.h"
 #include "content/browser/renderer_host/render_view_host_delegate.h"
 #include "content/browser/renderer_host/render_widget_host_delegate.h"
 #include "content/browser/web_contents/navigation_controller_impl.h"
 #include "content/browser/web_contents/render_view_host_manager.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/renderer_preferences.h"
 #include "content/public/common/three_d_api_types.h"
@@ skipping 12 matching lines @@
 class BrowserPluginEmbedder;
 class BrowserPluginGuest;
 class BrowserPluginGuestManager;
 class ColorChooser;
 class DateTimeChooserAndroid;
 class DownloadItem;
 class InterstitialPageImpl;
 class JavaBridgeDispatcherHostManager;
 class JavaScriptDialogManager;
 class PowerSaveBlocker;
+class RenderFrameHost;
 class RenderViewHost;
 class RenderViewHostDelegateView;
 class RenderViewHostImpl;
 class RenderWidgetHostImpl;
 class RenderWidgetHostViewPort;
 class SavePackage;
 class SessionStorageNamespaceImpl;
 class SiteInstance;
 class TestWebContents;
 class WebContentsDelegate;
 class WebContentsImpl;
 class WebContentsObserver;
 class WebContentsViewPort;
 class WebContentsViewDelegate;
 struct FaviconURL;
 struct LoadNotificationDetails;
 
 // Factory function for the implementations that content knows about. Takes
 // ownership of |delegate|.
 WebContentsViewPort* CreateWebContentsView(
     WebContentsImpl* web_contents,
     WebContentsViewDelegate* delegate,
     RenderViewHostDelegateView** render_view_host_delegate_view);
 
 class CONTENT_EXPORT WebContentsImpl
     : public NON_EXPORTED_BASE(WebContents),
       public RenderViewHostDelegate,
       public RenderWidgetHostDelegate,
       public RenderViewHostManager::Delegate,
-      public NotificationObserver {
+      public NotificationObserver,
+      public NavigatorObserver {
  public:
   virtual ~WebContentsImpl();
 
   static WebContentsImpl* CreateWithOpener(
       const WebContents::CreateParams& params,
       WebContentsImpl* opener);
 
   // Returns the opener WebContentsImpl, if any. This can be set to null if the
   // opener is closed or the page clears its window.opener.
   WebContentsImpl* opener() const { return opener_; }
@@ skipping 231 matching lines @@
   virtual const GURL& GetVisibleURL() const OVERRIDE;
   virtual const GURL& GetLastCommittedURL() const OVERRIDE;
   virtual WebContents* GetAsWebContents() OVERRIDE;
   virtual gfx::Rect GetRootWindowResizerRect() const OVERRIDE;
   virtual void RenderViewCreated(RenderViewHost* render_view_host) OVERRIDE;
   virtual void RenderViewReady(RenderViewHost* render_view_host) OVERRIDE;
   virtual void RenderViewTerminated(RenderViewHost* render_view_host,
                                     base::TerminationStatus status,
                                     int error_code) OVERRIDE;
   virtual void RenderViewDeleted(RenderViewHost* render_view_host) OVERRIDE;
-  virtual void DidStartProvisionalLoadForFrame(
-      RenderViewHost* render_view_host,
-      int64 frame_id,
-      int64 parent_frame_id,
-      bool main_frame,
-      const GURL& url) OVERRIDE;
   virtual void DidRedirectProvisionalLoad(
       RenderViewHost* render_view_host,
       int32 page_id,
       const GURL& source_url,
       const GURL& target_url) OVERRIDE;
   virtual void DidFailProvisionalLoadWithError(
       RenderViewHost* render_view_host,
       const ViewHostMsg_DidFailProvisionalLoadWithError_Params& params)
           OVERRIDE;
   virtual void DidGetResourceResponseStart(
@@ skipping 109 matching lines @@
                                  const gfx::Rect& initial_pos) OVERRIDE;
   virtual void ShowCreatedFullscreenWidget(int route_id) OVERRIDE;
   virtual void ShowContextMenu(const ContextMenuParams& params) OVERRIDE;
   virtual void RequestMediaAccessPermission(
       const MediaStreamRequest& request,
       const MediaResponseCallback& callback) OVERRIDE;
   virtual SessionStorageNamespace* GetSessionStorageNamespace(
       SiteInstance* instance) OVERRIDE;
   virtual FrameTree* GetFrameTree() OVERRIDE;
 
+  // NavigatorObserver --------------------------------------------------------
+  virtual void DidStartProvisionalLoad(
+      int64 frame_id,
+      int64 parent_frame_id,
+      bool is_main_frame,
+      const GURL& validated_url,
+      bool is_error_page,
+      bool is_iframe_srcdoc,
+      RenderFrameHost* render_frame_host) OVERRIDE;
+
+  virtual void ProvisionalChangeToMainFrameUrl(
+      const GURL& url,
+      RenderFrameHost* render_frame_host) OVERRIDE;
+
   // RenderWidgetHostDelegate --------------------------------------------------
 
   virtual void RenderWidgetDeleted(
       RenderWidgetHostImpl* render_widget_host) OVERRIDE;
   virtual bool PreHandleKeyboardEvent(
       const NativeWebKeyboardEvent& event,
       bool* is_keyboard_shortcut) OVERRIDE;
   virtual void HandleKeyboardEvent(
       const NativeWebKeyboardEvent& event) OVERRIDE;
   virtual bool PreHandleWheelEvent(
@@ skipping 332 matching lines @@
   // Maps the RenderViewHost to its media_player_cookie and PowerSaveBlocker
   // pairs. Key is the RenderViewHost, value is the map which maps player_cookie
   // on to PowerSaveBlocker.
   typedef std::map<RenderViewHost*, std::map<int64, PowerSaveBlocker*> >
       PowerSaveBlockerMap;
   PowerSaveBlockerMap power_save_blockers_;
 
   // Manages creation and swapping of render views.
   RenderViewHostManager render_manager_;
 
-  // The frame tree structure of the current page.
+  // The frame tree hierarchy of the current page.
   FrameTree frame_tree_;
 
 #if defined(OS_ANDROID)
   // Manages injecting Java objects into all RenderViewHosts associated with
   // this WebContentsImpl.
   scoped_ptr<JavaBridgeDispatcherHostManager>
       java_bridge_dispatcher_host_manager_;
 #endif
 
   // SavePackage, lazily created.
@@ skipping 135 matching lines @@
   // Maps the ids of pending image downloads to their callbacks
   typedef std::map<int, ImageDownloadCallback> ImageDownloadMap;
   ImageDownloadMap image_download_map_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_