[DevTools] Handle emulation in embedder, call into web API.

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 "base/atomicops.h"
@@ skipping 54 matching lines @@
       char phase, const unsigned char*, const char* name, unsigned long long id,
       int numArgs, const char* const* argNames, const unsigned char* argTypes,
       const unsigned long long* argValues,
       unsigned char flags, double timestamp);
   void resetTraceEventCallback() override;
   void setTraceEventCallback(const blink::WebString& category_filter,
                              TraceEventCallback cb) override;
   void enableTracing(const blink::WebString& category_filter) override;
   void disableTracing() override;
 
-  void enableDeviceEmulation(
-      const blink::WebDeviceEmulationParams& params) override;
-  void disableDeviceEmulation() override;
-
   void OnAttach(const std::string& host_id);
   void OnReattach(const std::string& host_id,
                   const std::string& agent_state);
   void OnDetach();
   void OnDispatchOnInspectorBackend(const std::string& message);
   void OnInspectElement(const std::string& host_id, int x, int y);
   void OnAddMessageToConsole(ConsoleMessageLevel level,
                              const std::string& message);
   void ContinueProgram();
   void OnSetupDevToolsClient();
@@ skipping 18 matching lines @@
   RenderFrame* main_render_frame_;
 
   static base::subtle::AtomicWord /* TraceEventCallback */ event_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(DevToolsAgent);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_DEVTOOLS_DEVTOOLS_AGENT_H_