input: Restrict synthetic touch gesture to view bounds.

content/browser/renderer_host/input/synthetic_gesture_target_base.cc

 // Copyright 2013 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/input/synthetic_gesture_target_base.h"
 
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_view_base.h"
 #include "content/browser/renderer_host/ui_events_helper.h"
 #include "content/common/input_messages.h"
@@ skipping 108 matching lines @@
   return kTouchSlopInDips;
 }
 
 float SyntheticGestureTargetBase::GetMinScalingSpanInDips() const {
   // The minimum scaling distance is only relevant for touch gestures and the
   // base target doesn't support touch.
   NOTREACHED();
   return 0.0f;
 }
 
+gfx::Size SyntheticGestureTargetBase::GetViewSize() const {
+  return host_->GetView()->GetViewBounds().size();
+}
+
 bool SyntheticGestureTargetBase::PointIsWithinContents(int x, int y) const {
   gfx::Rect bounds = host_->GetView()->GetViewBounds();
   bounds -= bounds.OffsetFromOrigin();  // Translate the bounds to (0,0).
   return bounds.Contains(x, y);
 }
 
 }  // namespace content