Allow out-of-process iframes to update the mouse cursor

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 "cc/surfaces/surface.h"
 #include "cc/surfaces/surface_factory.h"
 #include "cc/surfaces/surface_manager.h"
 #include "cc/surfaces/surface_sequence.h"
@@ skipping 144 matching lines @@
     const gfx::Range& range,
     const std::vector<gfx::Rect>& character_bounds) {
   // TODO(kenrb): Fix OOPIF Ime.
 }
 
 void RenderWidgetHostViewChildFrame::MovePluginWindows(
     const std::vector<WebPluginGeometry>& moves) {
 }
 
 void RenderWidgetHostViewChildFrame::UpdateCursor(const WebCursor& cursor) {
+  if (frame_connector_)
+    frame_connector_->UpdateCursor(cursor);
 }
 
 void RenderWidgetHostViewChildFrame::SetIsLoading(bool is_loading) {
   // It is valid for an inner WebContents's SetIsLoading() to end up here.
   // This is because an inner WebContents's main frame's RenderWidgetHostView
   // is a RenderWidgetHostViewChildFrame. In contrast, when there is no
   // inner/outer WebContents, only subframe's RenderWidgetHostView can be a
   // RenderWidgetHostViewChildFrame which do not get a SetIsLoading() call.
   if (BrowserPluginGuestMode::UseCrossProcessFramesForGuests() &&
       BrowserPluginGuest::IsGuest(
@@ skipping 291 matching lines @@
       BrowserAccessibilityManager::GetEmptyDocument(), delegate);
 }
 
 void RenderWidgetHostViewChildFrame::ClearCompositorSurfaceIfNecessary() {
   if (surface_factory_ && !surface_id_.is_null())
     surface_factory_->Destroy(surface_id_);
   surface_id_ = cc::SurfaceId();
 }
 
 }  // namespace content