[DevTools] Move Page and Emulation handlers to RenderFrameHostImpl.

content/browser/devtools/protocol/emulation_handler.h

 // Copyright 2015 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_EMULATION_HANDLER_H_
 #define CONTENT_BROWSER_DEVTOOLS_PROTOCOL_EMULATION_HANDLER_H_
 
 #include "content/browser/devtools/protocol/devtools_protocol_handler.h"
 #include "content/browser/devtools/protocol/page_handler.h"
 #include "third_party/WebKit/public/web/WebDeviceEmulationParams.h"
 
 namespace content {
 
-class RenderViewHostImpl;
+class RenderFrameHostImpl;
+class WebContentsImpl;
 
 namespace devtools {
 
 namespace page { class PageHandler; }
 
 namespace emulation {
 
 class EmulationHandler : public page::PageHandler::ScreencastListener {
  public:
   using Response = DevToolsProtocolClient::Response;
 
   explicit EmulationHandler(page::PageHandler* page_handler);
   ~EmulationHandler() override;
 
   // page::PageHandler::ScreencastListener implementation.
   void ScreencastEnabledChanged() override;
 
-  void SetRenderViewHost(RenderViewHostImpl* host);
+  void SetRenderFrameHost(RenderFrameHostImpl* host);
   void Detached();
 
   Response SetGeolocationOverride(double* latitude,
                                   double* longitude,
                                   double* accuracy);
   Response ClearGeolocationOverride();
 
   Response SetTouchEmulationEnabled(bool enabled,
                                     const std::string* configuration);
 
   Response CanEmulate(bool* result);
   Response SetDeviceMetricsOverride(int width,
                                     int height,
                                     double device_scale_factor,
                                     bool mobile,
                                     bool fit_window,
                                     const double* optional_scale,
                                     const double* optional_offset_x,
                                     const double* optional_offset_y);
   Response ClearDeviceMetricsOverride();
 
  private:
+  WebContentsImpl* GetWebContents();
   void UpdateTouchEventEmulationState();
   void UpdateDeviceEmulationState();
 
   bool touch_emulation_enabled_;
   std::string touch_emulation_configuration_;
 
   bool device_emulation_enabled_;
   blink::WebDeviceEmulationParams device_emulation_params_;
 
   page::PageHandler* page_handler_;
-  RenderViewHostImpl* host_;
+  RenderFrameHostImpl* host_;
 
   DISALLOW_COPY_AND_ASSIGN(EmulationHandler);
 };
 
 }  // namespace emulation
 }  // namespace devtools
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVTOOLS_PROTOCOL_EMULATION_HANDLER_H_