[DevTools] Add stub handlers for synthetic gesture commands.

content/browser/devtools/protocol/input_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_INPUT_HANDLER_H_
 #define CONTENT_BROWSER_DEVTOOLS_PROTOCOL_INPUT_HANDLER_H_
 
 #include "content/browser/devtools/protocol/devtools_protocol_handler.h"
 
 namespace content {
 
 class RenderViewHostImpl;
 
 namespace devtools {
 namespace input {
 
 class InputHandler {
  public:
   typedef DevToolsProtocolClient::Response Response;
 
   InputHandler();
   virtual ~InputHandler();
 
   void SetRenderViewHost(RenderViewHostImpl* host);
+  void SetClient(scoped_ptr<DevToolsProtocolClient> client);
 
   Response EmulateTouchFromMouseEvent(const std::string& type,
                                       int x,
                                       int y,
                                       double timestamp,
                                       const std::string& button,
                                       double* delta_x,
                                       double* delta_y,
                                       int* modifiers,
                                       int* click_count);
 
+  Response SynthesizePinchGesture(DevToolsCommandId command_id,
+                                  int x,
+                                  int y,
+                                  double scale_factor,
+                                  const int* relative_speed,
+                                  const std::string* gesture_source_type);
+
+  Response SynthesizeScrollGesture(DevToolsCommandId command_id,
+                                   int x,
+                                   int y,
+                                   const int* x_distance,
+                                   const int* y_distance,
+                                   const int* x_overscroll,
+                                   const int* y_overscroll,
+                                   const bool* prevent_fling,
+                                   const int* speed,
+                                   const std::string* gesture_source_type);
+
+  Response SynthesizeTapGesture(DevToolsCommandId command_id,
+                                int x,
+                                int y,
+                                const int* duration,
+                                const int* tap_count,
+                                const std::string* gesture_source_type);
+
  private:
   RenderViewHostImpl* host_;
 
   DISALLOW_COPY_AND_ASSIGN(InputHandler);
 };
 
-}  // namespace inpue
+}  // namespace input
 }  // namespace devtools
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVTOOLS_PROTOCOL_INPUT_HANDLER_H_