Plugin Power Saver: Implement size-based heuristic for peripheral content.

content/renderer/render_frame_impl.cc

 // Copyright 2013 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_frame_impl.h"
 
 #include <map>
 #include <string>
 
 #include "base/auto_reset.h"
@@ skipping 118 matching lines @@
 #include "third_party/WebKit/public/web/WebSurroundingText.h"
 #include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
 #include "third_party/WebKit/public/web/WebView.h"
 
 #if defined(ENABLE_PLUGINS)
 #include "content/renderer/npapi/webplugin_impl.h"
 #include "content/renderer/pepper/pepper_browser_connection.h"
 #include "content/renderer/pepper/pepper_plugin_instance_impl.h"
 #include "content/renderer/pepper/pepper_webplugin_impl.h"
 #include "content/renderer/pepper/plugin_module.h"
+#include "content/renderer/pepper/plugin_power_saver_helper.h"
 #endif
 
 #if defined(ENABLE_WEBRTC)
 #include "content/renderer/media/rtc_peer_connection_handler.h"
 #endif
 
 #if defined(OS_ANDROID)
 #include <cpu-features.h>
 
 #include "content/common/gpu/client/context_provider_command_buffer.h"
@@ skipping 392 matching lines @@
 }
 
 // RenderFrameImpl ----------------------------------------------------------
 RenderFrameImpl::RenderFrameImpl(RenderViewImpl* render_view, int routing_id)
     : frame_(NULL),
       render_view_(render_view->AsWeakPtr()),
       routing_id_(routing_id),
       is_swapped_out_(false),
       render_frame_proxy_(NULL),
       is_detaching_(false),
+#if defined(ENABLE_PLUGINS)
+      plugin_power_saver_helper_(NULL),
+#endif
       cookie_jar_(this),
       selection_text_offset_(0),
       selection_range_(gfx::Range::InvalidRange()),
       handling_select_range_(false),
       notification_permission_dispatcher_(NULL),
       notification_provider_(NULL),
       web_user_media_client_(NULL),
       midi_dispatcher_(NULL),
 #if defined(OS_ANDROID)
       media_player_manager_(NULL),
@@ skipping 12 matching lines @@
       renderer_accessibility_(NULL),
       weak_factory_(this) {
   std::pair<RoutingIDFrameMap::iterator, bool> result =
       g_routing_id_frame_map.Get().insert(std::make_pair(routing_id_, this));
   CHECK(result.second) << "Inserting a duplicate item.";
 
   RenderThread::Get()->AddRoute(routing_id_, this);
 
   render_view_->RegisterRenderFrame(this);
 
+// Everything below are RenderFrameObservers are are automatically deleted

[Charlie Reis, 2014/10/30 22:13:16]

are -> and?

[tommycli, 2014/10/31 00:01:22]

Edited the comment. See if that makes more sense.

+// when the RenderFrame gets deleted.
 #if defined(OS_ANDROID)
   new GinJavaBridgeDispatcher(this);
 #endif
 
+#if defined(ENABLE_PLUGINS)
+  plugin_power_saver_helper_ = new PluginPowerSaverHelper(this);
+#endif
+
 #if defined(ENABLE_NOTIFICATIONS)
   notification_provider_ = new NotificationProvider(this);
 #endif
 
   manifest_manager_ = new ManifestManager(this);
 }
 
 RenderFrameImpl::~RenderFrameImpl() {
   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, RenderFrameGone());
   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, OnDestruct());
@@ skipping 209 matching lines @@
     }
   } else {
     // Mimics the order of events sent by WebKit.
     // See WebCore::Editor::setComposition() for the corresponding code.
     render_view_->focused_pepper_plugin()->HandleCompositionEnd(last_text);
     render_view_->focused_pepper_plugin()->HandleTextInput(last_text);
   }
   pepper_composition_text_.clear();
 }
 
+PluginPowerSaverHelper* RenderFrameImpl::plugin_power_saver_helper() {
+  DCHECK(plugin_power_saver_helper_);
+  return plugin_power_saver_helper_;
+}
 #endif  // defined(ENABLE_PLUGINS)
 
 MediaStreamDispatcher* RenderFrameImpl::GetMediaStreamDispatcher() {
   if (!web_user_media_client_)
     InitializeUserMediaClient();
   return web_user_media_client_ ?
       web_user_media_client_->media_stream_dispatcher() : NULL;
 }
 
 bool RenderFrameImpl::Send(IPC::Message* message) {
@@ skipping 3299 matching lines @@
 
 #if defined(ENABLE_BROWSER_CDMS)
 RendererCdmManager* RenderFrameImpl::GetCdmManager() {
   if (!cdm_manager_)
     cdm_manager_ = new RendererCdmManager(this);
   return cdm_manager_;
 }
 #endif  // defined(ENABLE_BROWSER_CDMS)
 
 }  // namespace content