Adds scroll position/scale emulation to DevTools.

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 "base/macros.h"
 #include "content/browser/devtools/protocol/devtools_protocol_dispatcher.h"
 #include "third_party/WebKit/public/web/WebDeviceEmulationParams.h"
@@ skipping 34 matching lines @@
       double device_scale_factor,
       bool mobile,
       bool fit_window,
       const double* optional_scale,
       const double* optional_offset_x,
       const double* optional_offset_y,
       const int* screen_widget,
       const int* screen_height,
       const int* position_x,
       const int* position_y,
-      const std::unique_ptr<base::DictionaryValue>& screen_orientation);
+      const std::unique_ptr<base::DictionaryValue>& screen_orientation,
+      const int* scroll_position_x,
+      const int* scroll_position_y,
+      const int* visual_viewport_width,
+      const int* visual_viewport_height,
+      const double* visual_viewport_position_x,
+      const double* visual_viewport_position_y,
+      const double* visual_viewport_scale,
+      const bool* resize_window);
   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_;
 
   RenderFrameHostImpl* host_;
 
   DISALLOW_COPY_AND_ASSIGN(EmulationHandler);
 };
 
 }  // namespace emulation
 }  // namespace devtools
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVTOOLS_PROTOCOL_EMULATION_HANDLER_H_