Make touch-based synthetic gesture take touch slop into account.

content/browser/renderer_host/render_widget_host_view_android.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_android.h"
 
 #include <android/bitmap.h>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 779 matching lines @@
 }
 
 void RenderWidgetHostViewAndroid::SynchronousFrameMetadata(
     const cc::CompositorFrameMetadata& frame_metadata) {
   // This is a subset of OnSwapCompositorFrame() used in the synchronous
   // compositor flow.
   UpdateContentViewCoreFrameMetadata(frame_metadata);
   ComputeContentsSize(frame_metadata);
 }
 
+float RenderWidgetHostViewAndroid::GetDeviceScaleFactor() const {
+  return content_view_core_->GetDeviceScaleFactor();
+}
+
 void RenderWidgetHostViewAndroid::UpdateContentViewCoreFrameMetadata(
     const cc::CompositorFrameMetadata& frame_metadata) {
   if (content_view_core_) {
     // All offsets and sizes are in CSS pixels.
     content_view_core_->UpdateFrameInfo(
         frame_metadata.root_scroll_offset,
         frame_metadata.page_scale_factor,
         gfx::Vector2dF(frame_metadata.min_page_scale_factor,
                        frame_metadata.max_page_scale_factor),
         frame_metadata.root_layer_size,
@@ skipping 570 matching lines @@
 // RenderWidgetHostView, public:
 
 // static
 RenderWidgetHostView*
 RenderWidgetHostView::CreateViewForWidget(RenderWidgetHost* widget) {
   RenderWidgetHostImpl* rwhi = RenderWidgetHostImpl::From(widget);
   return new RenderWidgetHostViewAndroid(rwhi, NULL);
 }
 
 } // namespace content