Plugin Power Saver: Improve Poster behavior for essential plugins.

chrome/renderer/plugins/plugin_preroller.cc

 // Copyright 2015 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 "chrome/renderer/plugins/plugin_preroller.h"
 
 #include "base/base64.h"
 #include "chrome/grit/renderer_resources.h"
 #include "chrome/renderer/plugins/chrome_plugin_placeholder.h"
+#include "chrome/renderer/plugins/power_saver_info.h"
 #include "third_party/WebKit/public/platform/WebRect.h"
 #include "third_party/WebKit/public/web/WebElement.h"
 #include "third_party/WebKit/public/web/WebPlugin.h"
 #include "third_party/WebKit/public/web/WebPluginContainer.h"
 #include "ui/gfx/codec/png_codec.h"
 
 PluginPreroller::PluginPreroller(content::RenderFrame* render_frame,
                                  blink::WebLocalFrame* frame,
                                  const blink::WebPluginParams& params,
                                  const content::WebPluginInfo& info,
@@ skipping 31 matching lines @@
   std::string data_url_header = "data:image/png;base64,";
   std::string data_url_body;
   base::Base64Encode(png_as_string, &data_url_body);
   keyframe_data_url_ = GURL(data_url_header + data_url_body);
 }
 
 void PluginPreroller::OnThrottleStateChange() {
   if (!throttler_->IsThrottled())
     return;
 
-  PlaceholderPosterInfo poster_info;
-  poster_info.poster_attribute = keyframe_data_url_.spec();
-  poster_info.custom_poster_size = throttler_->GetSize();
+  PowerSaverInfo power_saver_info;
+  power_saver_info.power_saver_enabled = true;
+  power_saver_info.poster_attribute = keyframe_data_url_.spec();
+  power_saver_info.custom_poster_size = throttler_->GetSize();
 
   ChromePluginPlaceholder* placeholder =
       ChromePluginPlaceholder::CreateBlockedPlugin(
           render_frame(), frame_, params_, info_, identifier_, name_,
-          IDR_PLUGIN_POSTER_HTML, message_, poster_info);
+          IDR_PLUGIN_POSTER_HTML, message_, power_saver_info);
   placeholder->SetPremadePlugin(throttler_);
-  placeholder->set_power_saver_enabled(true);
   placeholder->AllowLoading();
 
   blink::WebPluginContainer* container =
       throttler_->GetWebPlugin()->container();
   container->setPlugin(placeholder->plugin());
 
   bool success = placeholder->plugin()->initialize(container);
   DCHECK(success);
 
   container->invalidate();
   container->reportGeometry();
 
   delete this;
 }
 
 void PluginPreroller::OnThrottlerDestroyed() {
   throttler_ = nullptr;
   delete this;
 }