Plugin Power Saver: Make PepperPluginInstanceThrottler interface public.

content/renderer/pepper/pepper_plugin_instance_impl.h

 // 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.
 
 #ifndef CONTENT_RENDERER_PEPPER_PEPPER_PLUGIN_INSTANCE_IMPL_H_
 #define CONTENT_RENDERER_PEPPER_PEPPER_PLUGIN_INSTANCE_IMPL_H_
 
 #include <list>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/strings/string16.h"
 #include "cc/layers/content_layer_client.h"
 #include "cc/layers/layer.h"
 #include "cc/layers/texture_layer_client.h"
 #include "content/common/content_export.h"
 #include "content/public/renderer/pepper_plugin_instance.h"
+#include "content/public/renderer/plugin_instance_throttler.h"
 #include "content/public/renderer/render_frame.h"
 #include "content/public/renderer/render_frame_observer.h"
 #include "content/renderer/mouse_lock_dispatcher.h"
 #include "gin/handle.h"
 #include "ppapi/c/dev/pp_cursor_type_dev.h"
 #include "ppapi/c/dev/ppp_printing_dev.h"
 #include "ppapi/c/dev/ppp_selection_dev.h"
 #include "ppapi/c/dev/ppp_text_input_dev.h"
 #include "ppapi/c/dev/ppp_zoom_dev.h"
 #include "ppapi/c/pp_completion_callback.h"
@@ skipping 63 matching lines @@
 class ScopedPPVar;
 }
 
 namespace content {
 
 class ContentDecryptorDelegate;
 class FullscreenContainer;
 class MessageChannel;
 class PepperCompositorHost;
 class PepperGraphics2DHost;
-class PepperPluginInstanceThrottler;
 class PluginModule;
 class PluginObject;
 class PPB_Graphics3D_Impl;
 class PPB_ImageData_Impl;
 class PPB_URLLoader_Impl;
 class RenderFrameImpl;
 class RenderViewImpl;
 
 // Represents one time a plugin appears on one web page.
 //
 // Note: to get from a PP_Instance to a PepperPluginInstance*, use the
 // ResourceTracker.
 class CONTENT_EXPORT PepperPluginInstanceImpl
     : public base::RefCounted<PepperPluginInstanceImpl>,
       public NON_EXPORTED_BASE(PepperPluginInstance),
       public ppapi::PPB_Instance_Shared,
       public NON_EXPORTED_BASE(cc::TextureLayerClient),
-      public RenderFrameObserver {
+      public RenderFrameObserver,
+      public NON_EXPORTED_BASE(PluginInstanceThrottler::Observer) {
  public:
   // Create and return a PepperPluginInstanceImpl object which supports the most
   // recent version of PPP_Instance possible by querying the given
   // get_plugin_interface function. If the plugin does not support any valid
   // PPP_Instance interface, returns NULL.
   static PepperPluginInstanceImpl* Create(RenderFrameImpl* render_frame,
                                           PluginModule* module,
                                           blink::WebPluginContainer* container,
                                           const GURL& plugin_url);
   RenderFrameImpl* render_frame() const { return render_frame_; }
   PluginModule* module() const { return module_.get(); }
 
   blink::WebPluginContainer* container() const { return container_; }
 
-  PepperPluginInstanceThrottler* throttler() const { return throttler_.get(); }
+  PluginInstanceThrottler* throttler() const { return throttler_.get(); }
 
   // Returns the PP_Instance uniquely identifying this instance. Guaranteed
   // nonzero.
   PP_Instance pp_instance() const { return pp_instance_; }
 
   ppapi::thunk::ResourceCreationAPI& resource_creation() {
     return *resource_creation_.get();
   }
 
   MessageChannel* message_channel() { return message_channel_; }
@@ skipping 42 matching lines @@
   void InstanceCrashed();
 
   // PPB_Instance and PPB_Instance_Private implementation.
   bool full_frame() const { return full_frame_; }
   const ppapi::ViewData& view_data() const { return view_data_; }
 
   // PPP_Instance and PPP_Instance_Private.
   bool Initialize(const std::vector<std::string>& arg_names,
                   const std::vector<std::string>& arg_values,
                   bool full_frame,
-                  RenderFrame::PluginPowerSaverMode power_saver_mode);
+                  PluginInstanceThrottler* throttler);
   bool HandleDocumentLoad(const blink::WebURLResponse& response);
   bool HandleInputEvent(const blink::WebInputEvent& event,
                         blink::WebCursorInfo* cursor_info);
   PP_Var GetInstanceObject(v8::Isolate* isolate);
   void ViewChanged(const gfx::Rect& position,
                    const gfx::Rect& clip,
                    const std::vector<gfx::Rect>& cut_outs_rects);
 
   // Handlers for composition events.
   bool HandleCompositionStart(const base::string16& text);
@@ skipping 317 matching lines @@
 
   // cc::TextureLayerClient implementation.
   bool PrepareTextureMailbox(
       cc::TextureMailbox* mailbox,
       scoped_ptr<cc::SingleReleaseCallback>* release_callback,
       bool use_shared_memory) override;
 
   // RenderFrameObserver
   void OnDestruct() override;
 
+  // PluginInstanceThrottler::Observer
+  void OnThrottleStateChange() override;
+
   void AddLatencyInfo(const std::vector<ui::LatencyInfo>& latency_info);
 
  private:
   friend class base::RefCounted<PepperPluginInstanceImpl>;
   friend class PpapiPluginInstanceTest;
   friend class PpapiUnittest;
 
   // Delete should be called by the WebPlugin before this destructor.
   ~PepperPluginInstanceImpl() override;
 
@@ skipping 160 matching lines @@
   scoped_ptr<blink::WebLayer> web_layer_;
   bool layer_bound_to_fullscreen_;
   bool layer_is_hardware_;
 
   // Plugin URL.
   GURL plugin_url_;
 
   // Used to track Flash-specific metrics.
   bool is_flash_plugin_;
 
+  // Set to true first time plugin is clicked. Used to collect metrics.

[Bernhard Bauer, 2015/01/13 23:29:36]

Nit: "Set to true _the_ first time _the_ plugin is clicked."

[tommycli, 2015/01/14 01:45:00]

Done.

+  bool has_been_clicked_;
+
   // Used to track if JavaScript has ever been used for this plugin instance.
   bool javascript_used_;
 
   // Responsible for turning on throttling if Power Saver is on.
-  scoped_ptr<PepperPluginInstanceThrottler> throttler_;
+  scoped_ptr<PluginInstanceThrottler> throttler_;
 
   // Indicates whether this is a full frame instance, which means it represents
   // an entire document rather than an embed tag.
   bool full_frame_;
 
   // Stores the current state of the plugin view.
   ppapi::ViewData view_data_;
   // The last state sent to the plugin. It is only valid after
   // |sent_initial_did_change_view_| is set to true.
   ppapi::ViewData last_sent_view_data_;
@@ skipping 186 matching lines @@
   // view change events.
   base::WeakPtrFactory<PepperPluginInstanceImpl> view_change_weak_ptr_factory_;
   base::WeakPtrFactory<PepperPluginInstanceImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperPluginInstanceImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_PLUGIN_INSTANCE_IMPL_H_