[DevTools] Touch emulation in content.

content/browser/renderer_host/render_widget_host_impl.h

Index: content/browser/renderer_host/render_widget_host_impl.h
diff --git a/content/browser/renderer_host/render_widget_host_impl.h b/content/browser/renderer_host/render_widget_host_impl.h
index 170701853f98e230ebdb265a0c64ffd9a0a84cee..6fb3203865b730b6709cb9f861162f90ae5c6c15 100644
--- a/content/browser/renderer_host/render_widget_host_impl.h
+++ b/content/browser/renderer_host/render_widget_host_impl.h
@@ -26,6 +26,7 @@
 #include "content/browser/renderer_host/input/input_ack_handler.h"
 #include "content/browser/renderer_host/input/input_router_client.h"
 #include "content/browser/renderer_host/input/synthetic_gesture.h"
+#include "content/browser/renderer_host/input/touch_emulator_client.h"
 #include "content/common/input/synthetic_gesture_packet.h"
 #include "content/common/view_message_enums.h"
 #include "content/port/browser/event_with_latency_info.h"
@@ -84,6 +85,7 @@ class RenderWidgetHostDelegate;
 class RenderWidgetHostViewPort;
 class SyntheticGestureController;
 class TimeoutMonitor;
+class TouchEmulator;
 class WebCursor;
 struct EditCommand;
 
@@ -92,6 +94,7 @@ struct EditCommand;
 class CONTENT_EXPORT RenderWidgetHostImpl : virtual public RenderWidgetHost,
                                             public InputRouterClient,
                                             public InputAckHandler,
+                                            public TouchEmulatorClient,
                                             public IPC::Listener {
  public:
   // routing_id can be MSG_ROUTING_NONE, in which case the next available
@@ -298,7 +301,6 @@ class CONTENT_EXPORT RenderWidgetHostImpl : virtual public RenderWidgetHost,
 
   // Forwards the given message to the renderer. These are called by the view
   // when it has received a message.
-  void ForwardGestureEvent(const blink::WebGestureEvent& gesture_event);
   void ForwardGestureEventWithLatencyInfo(
       const blink::WebGestureEvent& gesture_event,
       const ui::LatencyInfo& ui_latency);
@@ -312,6 +314,13 @@ class CONTENT_EXPORT RenderWidgetHostImpl : virtual public RenderWidgetHost,
       const blink::WebMouseWheelEvent& wheel_event,
       const ui::LatencyInfo& ui_latency);
 
+  // TouchEmulatorClient overrides.
+  virtual void ForwardGestureEvent(
+      const blink::WebGestureEvent& gesture_event) OVERRIDE;
+  virtual void ForwardTouchEvent(
+      const blink::WebTouchEvent& touch_event) OVERRIDE;
+  virtual void SetCursor(const WebCursor& cursor) OVERRIDE;
+
   // Queues a synthetic gesture for testing purposes.  Invokes the on_complete
   // callback when the gesture is finished running.
   void QueueSyntheticGesture(
@@ -658,6 +667,7 @@ class CONTENT_EXPORT RenderWidgetHostImpl : virtual public RenderWidgetHost,
   virtual void OnFocus();
   virtual void OnBlur();
   void OnSetCursor(const WebCursor& cursor);
+  void OnSetTouchEventEmulationEnabled(bool enabled, bool allow_pinch);
   void OnTextInputTypeChanged(ui::TextInputType type,
                               ui::TextInputMode input_mode,
                               bool can_compose_inline);
@@ -903,6 +913,8 @@ class CONTENT_EXPORT RenderWidgetHostImpl : virtual public RenderWidgetHost,
 
   scoped_ptr<SyntheticGestureController> synthetic_gesture_controller_;
 
+  scoped_ptr<TouchEmulator> touch_emulator_;
+
   // Receives and handles all input events.
   scoped_ptr<InputRouter> input_router_;