Set correct viewport size for an out of process iframe.

content/browser/frame_host/render_widget_host_view_child_frame.cc

 // Copyright 2014 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_widget_host_view_child_frame.h"
 
 #include "content/browser/frame_host/cross_process_frame_connector.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "content/common/view_messages.h"
@@ skipping 14 matching lines @@
 void RenderWidgetHostViewChildFrame::InitAsChild(
     gfx::NativeView parent_view) {
   NOTREACHED();
 }
 
 RenderWidgetHost* RenderWidgetHostViewChildFrame::GetRenderWidgetHost() const {
   return host_;
 }
 
 void RenderWidgetHostViewChildFrame::SetSize(const gfx::Size& size) {
-  size_ = size;
   host_->WasResized();
 }
 
 void RenderWidgetHostViewChildFrame::SetBounds(const gfx::Rect& rect) {
   SetSize(rect.size());
 }
 
 void RenderWidgetHostViewChildFrame::Focus() {
 }
 
@@ skipping 15 matching lines @@
 }
 
 bool RenderWidgetHostViewChildFrame::IsShowing() {
   return !host_->is_hidden();
 }
 
 gfx::Rect RenderWidgetHostViewChildFrame::GetViewBounds() const {
   gfx::Rect rect;
   if (frame_connector_)
     rect = frame_connector_->ChildFrameRect();
-  rect.set_width(size_.width());
-  rect.set_height(size_.height());
   return rect;
 }
 
 gfx::NativeView RenderWidgetHostViewChildFrame::GetNativeView() const {
   NOTREACHED();
   return NULL;
 }
 
 gfx::NativeViewId RenderWidgetHostViewChildFrame::GetNativeViewId() const {
   NOTREACHED();
   return 0;
 }
 
 gfx::NativeViewAccessible
 RenderWidgetHostViewChildFrame::GetNativeViewAccessible() {
   NOTREACHED();
   return NULL;
 }
 
 void RenderWidgetHostViewChildFrame::SetBackground(
     const SkBitmap& background) {
 }
 
 gfx::Size RenderWidgetHostViewChildFrame::GetPhysicalBackingSize() const {
-  return size_;
+  gfx::Size size;
+  if (frame_connector_)
+    size = frame_connector_->ChildFrameRect().size();
+  return size;
 }
 
 void RenderWidgetHostViewChildFrame::InitAsPopup(
     RenderWidgetHostView* parent_host_view,
     const gfx::Rect& pos) {
   NOTREACHED();
 }
 
 void RenderWidgetHostViewChildFrame::InitAsFullscreen(
     RenderWidgetHostView* reference_host_view) {
@@ skipping 252 matching lines @@
     gfx::NativeViewAccessible accessible_parent) {
 }
 
 gfx::NativeViewId RenderWidgetHostViewChildFrame::GetParentForWindowlessPlugin()
     const {
   return NULL;
 }
 #endif // defined(OS_WIN) && defined(USE_AURA)
 
 }  // namespace content