SyntheticGestureTarget implementation for injecting synthetic input events.

This will be used from SyntheticGesture implementations such as SyntheticSmoothScrollGesture(New) to inject input events in a Android/aura specific way. The patch also includes fallback implementation in SyntheticGetsureTargetBase which passes the input events to RWH.

BUG=297960
BUG=306459

Review URL: https://codereview.chromium.org/26664002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@234354 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 6 insertions, 0 deletions

diff --git a/content/port/browser/render_widget_host_view_port.h b/content/port/browser/render_widget_host_view_port.h
index 13f3766..bd13f73 100644
--- a/content/port/browser/render_widget_host_view_port.h
+++ b/content/port/browser/render_widget_host_view_port.h
@@ -6,6 +6,7 @@
 #define CONTENT_PORT_BROWSER_RENDER_WIDGET_HOST_VIEW_PORT_H_
 
 #include "base/callback.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/process/kill.h"
 #include "base/strings/string16.h"
 #include "cc/output/compositor_frame.h"
@@ -42,6 +43,7 @@ namespace content {
 class BackingStore;
 class RenderWidgetHostViewFrameSubscriber;
 class SyntheticGesture;
+class SyntheticGestureTarget;
 struct WebPluginGeometry;
 struct NativeWebKeyboardEvent;
 
@@ -300,6 +302,10 @@ class CONTENT_EXPORT RenderWidgetHostViewPort : public RenderWidgetHostView,
   // Called by the host when the input flush has completed.
   virtual void OnDidFlushInput() = 0;
 
+  // Create a platform specific SyntheticGestureTarget implementation that will
+  // be used to inject synthetic input events.
+  virtual scoped_ptr<SyntheticGestureTarget> CreateSyntheticGestureTarget() = 0;
+
   virtual void GestureEventAck(int gesture_event_type,
                                InputEventAckState ack_result) = 0;