Apply viewport to dip scale to Graphics2D, Compositor

content/renderer/pepper/pepper_plugin_instance_impl.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/pepper/pepper_plugin_instance_impl.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bit_cast.h"
@@ skipping 1634 matching lines @@
 
 void PepperPluginInstanceImpl::SendDidChangeView() {
   // An asynchronous view update is scheduled. Skip sending this update.
   if (view_change_weak_ptr_factory_.HasWeakPtrs())
     return;
 
   // Don't send DidChangeView to crashed plugins.
   if (module()->is_crashed())
     return;
 
+  if (bound_compositor_)
+    bound_compositor_->set_viewport_to_dip_scale(viewport_to_dip_scale_);
+
+  if (bound_graphics_2d_platform_)
+    bound_graphics_2d_platform_->set_viewport_to_dip_scale(
+        viewport_to_dip_scale_);
+
   // During the first view update, initialize the throttler.
   if (!sent_initial_did_change_view_) {
     if (is_flash_plugin_ && RenderThread::Get()) {
       RenderThread::Get()->RecordAction(
           base::UserMetricsAction("Flash.PluginInstanceCreated"));
       RecordFlashSizeMetric(unobscured_rect_.width(),
                             unobscured_rect_.height());
     }
 
     if (throttler_) {
@@ skipping 1675 matching lines @@
 }
 
 void PepperPluginInstanceImpl::ConvertDIPToViewport(gfx::Rect* rect) const {
   rect->set_x(rect->x() / viewport_to_dip_scale_);
   rect->set_y(rect->y() / viewport_to_dip_scale_);
   rect->set_width(rect->width() / viewport_to_dip_scale_);
   rect->set_height(rect->height() / viewport_to_dip_scale_);
 }
 
 }  // namespace content