Make PageScaleFactor work for oopif subframes.

content/renderer/render_widget.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/renderer/render_widget.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/auto_reset.h"
@@ skipping 14 matching lines @@
 #include "base/trace_event/trace_event_synthetic_delay.h"
 #include "build/build_config.h"
 #include "cc/animation/animation_host.h"
 #include "cc/output/compositor_frame_sink.h"
 #include "cc/output/copy_output_request.h"
 #include "cc/scheduler/begin_frame_source.h"
 #include "cc/trees/layer_tree_host.h"
 #include "content/common/content_switches_internal.h"
 #include "content/common/drag_event_source_info.h"
 #include "content/common/drag_messages.h"
+#include "content/common/frame_messages.h"
 #include "content/common/input/synthetic_gesture_packet.h"
 #include "content/common/input_messages.h"
 #include "content/common/render_message_filter.mojom.h"
 #include "content/common/swapped_out_messages.h"
 #include "content/common/text_input_state.h"
 #include "content/common/view_messages.h"
 #include "content/public/common/content_features.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/context_menu_params.h"
 #include "content/public/common/drop_data.h"
@@ skipping 2241 matching lines @@
     // browser side (https://crbug.com/669219).
     // If there is no WebFrameWidget, then there will be no
     // InputMethodControllers for a WebLocalFrame.
     return nullptr;
   }
   return static_cast<blink::WebFrameWidget*>(GetWebWidget())
       ->getActiveWebInputMethodController();
 }
 
 }  // namespace content