[DevTools] Move Page and Emulation handlers to RenderFrameHostImpl.

content/browser/devtools/protocol/page_handler.h

 // Copyright 2014 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_DEVTOOLS_PROTOCOL_PAGE_HANDLER_H_
 #define CONTENT_BROWSER_DEVTOOLS_PROTOCOL_PAGE_HANDLER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
 #include "cc/output/compositor_frame_metadata.h"
 #include "content/browser/devtools/protocol/devtools_protocol_handler.h"
+#include "content/public/browser/notification_observer.h"
+#include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/readback_types.h"
 
 class SkBitmap;
 
 namespace content {
 
-class RenderViewHostImpl;
+class RenderFrameHostImpl;
+class WebContentsImpl;
 
 namespace devtools {
 namespace page {
 
 class ColorPicker;
 
-class PageHandler {
+class PageHandler : public NotificationObserver {
  public:
   typedef DevToolsProtocolClient::Response Response;
 
   class ScreencastListener {
    public:
     virtual ~ScreencastListener() { }
     virtual void ScreencastEnabledChanged() = 0;
   };
 
   PageHandler();
-  virtual ~PageHandler();
+  ~PageHandler() override;
 
-  void SetRenderViewHost(RenderViewHostImpl* host);
+  void SetRenderFrameHost(RenderFrameHostImpl* host);
   void SetClient(scoped_ptr<Client> client);
   void Detached();
   void OnSwapCompositorFrame(const cc::CompositorFrameMetadata& frame_metadata);
-  void OnVisibilityChanged(bool visible);
   void DidAttachInterstitialPage();
   void DidDetachInterstitialPage();
   void SetScreencastListener(ScreencastListener* listener);
   bool screencast_enabled() const { return enabled_ && screencast_enabled_; }
 
   Response Enable();
   Response Disable();
 
   Response Reload(const bool* ignoreCache,
                   const std::string* script_to_evaluate_on_load,
@@ skipping 18 matching lines @@
   Response ScreencastFrameAck(int frame_number);
 
   Response HandleJavaScriptDialog(bool accept, const std::string* prompt_text);
 
   Response QueryUsageAndQuota(DevToolsCommandId command_id,
                               const std::string& security_origin);
 
   Response SetColorPickerEnabled(bool enabled);
 
  private:
+  WebContentsImpl* GetWebContents();
   void NotifyScreencastVisibility(bool visible);
   void InnerSwapCompositorFrame();
   void ScreencastFrameCaptured(const cc::CompositorFrameMetadata& metadata,
                                const SkBitmap& bitmap,
                                ReadbackResponse response);
   void ScreencastFrameEncoded(const cc::CompositorFrameMetadata& metadata,
                               const base::Time& timestamp,
                               const std::string& data);
 
   void ScreenshotCaptured(
       DevToolsCommandId command_id,
       const unsigned char* png_data,
       size_t png_size);
 
   void OnColorPicked(int r, int g, int b, int a);
 
+  // NotificationObserver overrides.
+  void Observe(int type,
+               const NotificationSource& source,
+               const NotificationDetails& details) override;
+
   bool enabled_;
 
   bool screencast_enabled_;
   std::string screencast_format_;
   int screencast_quality_;
   int screencast_max_width_;
   int screencast_max_height_;
   int capture_retry_count_;
   bool has_compositor_frame_metadata_;
   cc::CompositorFrameMetadata next_compositor_frame_metadata_;
   cc::CompositorFrameMetadata last_compositor_frame_metadata_;
   int screencast_frame_sent_;
   int screencast_frame_acked_;
   bool processing_screencast_frame_;
 
   scoped_ptr<ColorPicker> color_picker_;
 
-  RenderViewHostImpl* host_;
+  RenderFrameHostImpl* host_;
   scoped_ptr<Client> client_;
   ScreencastListener* screencast_listener_;
+  NotificationRegistrar registrar_;
   base::WeakPtrFactory<PageHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PageHandler);
 };
 
 }  // namespace page
 }  // namespace devtools
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVTOOLS_PROTOCOL_PAGE_HANDLER_H_