[DevTools] Migrate device emulation to WebDeviceEmulationParams.

content/renderer/devtools/devtools_agent.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_RENDERER_DEVTOOLS_DEVTOOLS_AGENT_H_
 #define CONTENT_RENDERER_DEVTOOLS_DEVTOOLS_AGENT_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 55 matching lines @@
   virtual void resetTraceEventCallback() OVERRIDE;
   virtual void setTraceEventCallback(const blink::WebString& category_filter,
                                      TraceEventCallback cb) OVERRIDE;
   virtual void startGPUEventsRecording() OVERRIDE;
   virtual void stopGPUEventsRecording() OVERRIDE;
 
   virtual void enableDeviceEmulation(
       const blink::WebRect& device_rect,
       const blink::WebRect& view_rect, float device_scale_factor,
       bool fit_to_view);
+  virtual void enableDeviceEmulation(
+      const blink::WebDeviceEmulationParams& params);
   virtual void disableDeviceEmulation();
 
   void OnAttach();
   void OnReattach(const std::string& agent_state);
   void OnDetach();
   void OnDispatchOnInspectorBackend(const std::string& message);
   void OnInspectElement(int x, int y);
   void OnAddMessageToConsole(ConsoleMessageLevel level,
                              const std::string& message);
   void OnGpuTasksChunk(const std::vector<GpuTaskInfo>& tasks);
@@ skipping 17 matching lines @@
   int32 gpu_route_id_;
 
   static base::subtle::AtomicWord /* TraceEventCallback */ event_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(DevToolsAgent);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_DEVTOOLS_DEVTOOLS_AGENT_H_