SyntheticGestureTarget implementation for injecting synthetic input events

content/browser/renderer_host/render_widget_host_view_base.cc

 // 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.
 
 #include "content/browser/renderer_host/render_widget_host_view_base.h"
 
 #include "base/logging.h"
 #include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/gpu/gpu_data_manager_impl.h"
 #include "content/browser/renderer_host/basic_mouse_wheel_smooth_scroll_gesture.h"
@@ skipping 510 matching lines @@
     int anchor_y) {
   // There is no generic implementation for pinch gestures.
   NOTIMPLEMENTED();
   return NULL;
 }
 
 void RenderWidgetHostViewBase::ProcessAckedTouchEvent(
     const TouchEventWithLatencyInfo& touch, InputEventAckState ack_result) {
 }
 
+SyntheticGestureTarget*
+RenderWidgetHostViewBase::CreateSyntheticGestureTarget() {
+  NOTIMPLEMENTED();

[Dominik Grewe, 2013/10/25 16:10:11]

Here's where you would return SyntheticGestureTargetBase for platforms that
don't have their own implementation.

[kouhei (in TOK), 2013/10/28 03:03:17]

Done.

+  return NULL;
+}
+
 // Platform implementation should override this method to allow frame
 // subscription. Frame subscriber is set to RenderProcessHost, which is
 // platform independent. It should be set to the specific presenter on each
 // platform.
 bool RenderWidgetHostViewBase::CanSubscribeFrame() const {
   NOTIMPLEMENTED();
   return false;
 }
 
 // Base implementation for this method sets the subscriber to RenderProcessHost,
@@ skipping 30 matching lines @@
 
 uint32 RenderWidgetHostViewBase::RendererFrameNumber() {
   return renderer_frame_number_;
 }
 
 void RenderWidgetHostViewBase::DidReceiveRendererFrame() {
   ++renderer_frame_number_;
 }
 
 }  // namespace content