Revert of Plugin Power Saver: Improve Poster behavior for essential plugins.

chrome/renderer/plugins/power_saver_info.h

-// 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.
-
-#ifndef CHROME_RENDERER_PLUGINS_POWER_SAVER_INFO_H_
-#define CHROME_RENDERER_PLUGINS_POWER_SAVER_INFO_H_
-
-#include <string>
-
-#include "ui/gfx/geometry/size.h"
-#include "url/gurl.h"
-
-namespace blink {
-struct WebPluginParams;
-}
-
-namespace content {
-class RenderFrame;
-struct WebPluginInfo;
-}
-
-// This contains information specifying the plugin's Power Saver behavior.
-// The default constructor has Plugin Power Saver disabled.
-struct PowerSaverInfo {
-  PowerSaverInfo();
-
-  // Determines the PowerSaverInfo using the peripheral content heuristic.
-  static PowerSaverInfo Get(content::RenderFrame* render_frame,
-                            bool power_saver_setting_on,
-                            const blink::WebPluginParams& params,
-                            const content::WebPluginInfo& plugin_info,
-                            const GURL& document_url);
-
-  // Whether power saver should be enabled.
-  bool power_saver_enabled;
-
-  // Whether the plugin should be deferred because it is in a background tab.
-  bool blocked_for_background_tab;
-
-  // The poster image specified in image 'srcset' attribute format.
-  std::string poster_attribute;
-
-  // Used to resolve relative paths in |poster_attribute|.
-  GURL base_url;
-
-  // Specify this to provide partially obscured plugins a centered poster image.
-  gfx::Size custom_poster_size;
-};
-
-#endif  // CHROME_RENDERER_PLUGINS_POWER_SAVER_INFO_H_