Accessible bounds should include device scale factor on Windows.

content/browser/frame_host/render_frame_host_impl.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/frame_host/render_frame_host_impl.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 24 matching lines @@
 #include "content/browser/frame_host/render_frame_host_delegate.h"
 #include "content/browser/frame_host/render_frame_proxy_host.h"
 #include "content/browser/frame_host/render_widget_host_view_child_frame.h"
 #include "content/browser/installedapp/installed_app_provider_impl_default.h"
 #include "content/browser/loader/resource_dispatcher_host_impl.h"
 #include "content/browser/media/media_interface_proxy.h"
 #include "content/browser/media/session/media_session_service_impl.h"
 #include "content/browser/permissions/permission_service_context.h"
 #include "content/browser/permissions/permission_service_impl.h"
 #include "content/browser/presentation/presentation_service_impl.h"
+#include "content/browser/renderer_host/dip_util.h"
 #include "content/browser/renderer_host/input/input_router_impl.h"
 #include "content/browser/renderer_host/input/timeout_monitor.h"
 #include "content/browser/renderer_host/media/media_devices_dispatcher_host.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/renderer_host/render_view_host_delegate.h"
 #include "content/browser/renderer_host/render_view_host_delegate_view.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_delegate.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_view_base.h"
@@ skipping 746 matching lines @@
 
 gfx::Point RenderFrameHostImpl::AccessibilityOriginInScreen(
     const gfx::Rect& bounds) const {
   RenderWidgetHostViewBase* view = static_cast<RenderWidgetHostViewBase*>(
       render_view_host_->GetWidget()->GetView());
   if (view)
     return view->AccessibilityOriginInScreen(bounds);
   return gfx::Point();
 }
 
+float RenderFrameHostImpl::AccessibilityGetDeviceScaleFactor() const {
+  RenderWidgetHostView* view = render_view_host_->GetWidget()->GetView();
+  if (view)
+    return GetScaleFactorForView(view);
+  return 1.0f;
+}
+
 void RenderFrameHostImpl::AccessibilityReset() {
   accessibility_reset_token_ = g_next_accessibility_reset_token++;
   Send(new AccessibilityMsg_Reset(routing_id_, accessibility_reset_token_));
 }
 
 void RenderFrameHostImpl::AccessibilityFatalError() {
   browser_accessibility_manager_.reset(NULL);
   if (accessibility_reset_token_)
     return;
 
@@ skipping 2677 matching lines @@
           GetUserData(kRenderFrameHostAndroidKey));
   if (!render_frame_host_android) {
     render_frame_host_android = new RenderFrameHostAndroid(this);
     SetUserData(kRenderFrameHostAndroidKey, render_frame_host_android);
   }
   return render_frame_host_android->GetJavaObject();
 }
 #endif
 
 }  // namespace content