Notification for device scale factor change

content/browser/renderer_host/render_widget_host_view_aura.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_aura.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/logging.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 1085 matching lines @@
   BackingStore* backing_store = host_->GetBackingStore(true);
   paint_canvas_ = NULL;
   if (backing_store) {
     static_cast<BackingStoreSkia*>(backing_store)->SkiaShowRect(gfx::Point(),
                                                                 canvas);
   } else {
     canvas->FillRect(gfx::Rect(window_->bounds().size()), SK_ColorWHITE);
   }
 }
 
+void RenderWidgetHostViewAura::OnDeviceScaleFactorChanged(
+    float device_scale_factor) {
+  // TODO(fsamuel|rbyers): Notify renderer that the device scale factor has
+  // changed. crbug.com/128267.
+}
+
 void RenderWidgetHostViewAura::OnWindowDestroying() {
 }
 
 void RenderWidgetHostViewAura::OnWindowDestroyed() {
   host_->ViewDestroyed();
   delete this;
 }
 
 void RenderWidgetHostViewAura::OnWindowVisibilityChanged(bool visible) {
 }
@@ skipping 171 matching lines @@
 RenderWidgetHostView* RenderWidgetHostView::CreateViewForWidget(
     RenderWidgetHost* widget) {
   return new RenderWidgetHostViewAura(widget);
 }
 
 // static
 void content::RenderWidgetHostViewPort::GetDefaultScreenInfo(
     WebKit::WebScreenInfo* results) {
   GetScreenInfoForWindow(results, NULL);
 }