Remove SW rendering path code from BrowserPlugin.

content/renderer/browser_plugin/browser_plugin.h

 // Copyright 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_BROWSER_PLUGIN_BROWSER_PLUGIN_H_
 #define  CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_H_
 
 #include "third_party/WebKit/public/web/WebPlugin.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/sequenced_task_runner_helpers.h"
-#if defined(OS_WIN)
-#include "base/memory/shared_memory.h"
-#endif
 #include "base/values.h"
-#include "content/renderer/browser_plugin/browser_plugin_backing_store.h"
 #include "content/renderer/browser_plugin/browser_plugin_bindings.h"
 #include "content/renderer/mouse_lock_dispatcher.h"
 #include "content/renderer/render_view_impl.h"
 #include "third_party/WebKit/public/web/WebCompositionUnderline.h"
 #include "third_party/WebKit/public/web/WebDragStatus.h"
 #include "third_party/WebKit/public/web/WebWidget.h"
 
 struct BrowserPluginHostMsg_AutoSize_Params;
 struct BrowserPluginHostMsg_ResizeGuest_Params;
 struct BrowserPluginMsg_Attach_ACK_Params;
@@ skipping 205 matching lines @@
 
   // Parses the attributes of the browser plugin from the element's attributes
   // and sets them appropriately.
   void ParseAttributes();
 
   // Triggers the event-listeners for |event_name|. Note that the function
   // frees all the values in |props|.
   void TriggerEvent(const std::string& event_name,
                     std::map<std::string, base::Value*>* props);
 
-  // Creates and maps a shared damage buffer.
-  virtual base::SharedMemory* CreateDamageBuffer(
-      const size_t size,
-      base::SharedMemoryHandle* shared_memory_handle);
-  // Swaps out the |current_damage_buffer_| with the |pending_damage_buffer_|.
-  void SwapDamageBuffers();
-
-  // Populates BrowserPluginHostMsg_ResizeGuest_Params with resize state and
-  // allocates a new |pending_damage_buffer_| if in software rendering mode.
+  // Populates BrowserPluginHostMsg_ResizeGuest_Params with resize state.
   void PopulateResizeGuestParameters(
       BrowserPluginHostMsg_ResizeGuest_Params* params,
       const gfx::Rect& view_size,
       bool needs_repaint);
 
   // Populates BrowserPluginHostMsg_AutoSize_Params object with autosize state.
   void PopulateAutoSizeParameters(
       BrowserPluginHostMsg_AutoSize_Params* params, bool auto_size_enabled);
 
   // Populates both AutoSize and ResizeGuest parameters based on the current
   // autosize state.
-  void GetDamageBufferWithSizeParams(
+  void GetSizeParams(
       BrowserPluginHostMsg_AutoSize_Params* auto_size_params,
       BrowserPluginHostMsg_ResizeGuest_Params* resize_guest_params,
       bool needs_repaint);
 
   // Informs the guest of an updated autosize state.
   void UpdateGuestAutoSizeState(bool auto_size_enabled);
 
-  // Indicates whether a damage buffer was used by the guest process for the
-  // provided |params|.
-  static bool UsesDamageBuffer(
-      const BrowserPluginMsg_UpdateRect_Params& params);
-
-  // Indicates whether the |pending_damage_buffer_| was used to copy over pixels
-  // given the provided |params|.
-  bool UsesPendingDamageBuffer(
-      const BrowserPluginMsg_UpdateRect_Params& params);
 
   // IPC message handlers.
   // Please keep in alphabetical order.
   void OnAdvanceFocus(int instance_id, bool reverse);
   void OnAttachACK(int instance_id,
                    const BrowserPluginMsg_Attach_ACK_Params& ack_params);
   void OnBuffersSwapped(int instance_id,
                         const FrameMsg_BuffersSwapped_Params& params);
   void OnCompositorFrameSwapped(const IPC::Message& message);
   void OnCopyFromCompositingSurface(int instance_id,
@@ skipping 16 matching lines @@
   // This indicates whether this BrowserPlugin has been attached to a
   // WebContents.
   bool attached_;
   base::WeakPtr<RenderViewImpl> render_view_;
   // We cache the |render_view_|'s routing ID because we need it on destruction.
   // If the |render_view_| is destroyed before the BrowserPlugin is destroyed
   // then we will attempt to access a NULL pointer.
   int render_view_routing_id_;
   blink::WebPluginContainer* container_;
   scoped_ptr<BrowserPluginBindings> bindings_;
-  scoped_ptr<BrowserPluginBackingStore> backing_store_;
-  scoped_ptr<base::SharedMemory> current_damage_buffer_;
-  scoped_ptr<base::SharedMemory> pending_damage_buffer_;
-  uint32 damage_buffer_sequence_id_;
   bool paint_ack_received_;
   gfx::Rect plugin_rect_;
   float last_device_scale_factor_;
   // Bitmap for crashed plugin. Lazily initialized, non-owning pointer.
   SkBitmap* sad_guest_;
   bool guest_crashed_;
   scoped_ptr<BrowserPluginHostMsg_ResizeGuest_Params> pending_resize_params_;
   bool is_auto_size_state_dirty_;
   // Maximum size constraint for autosize.
   gfx::Size max_auto_size_;
@@ skipping 14 matching lines @@
   gfx::Size last_view_size_;
   bool before_first_navigation_;
   bool mouse_locked_;
 
   // BrowserPlugin outlives RenderViewImpl in Chrome Apps and so we need to
   // store the BrowserPlugin's BrowserPluginManager in a member variable to
   // avoid accessing the RenderViewImpl.
   scoped_refptr<BrowserPluginManager> browser_plugin_manager_;
 
   // Used for HW compositing.
-  bool compositing_enabled_;
   scoped_refptr<ChildFrameCompositingHelper> compositing_helper_;
 
   // Used to identify the plugin to WebBindings.
   scoped_ptr<struct _NPP> npp_;
 
   // URL for the embedder frame.
   GURL embedder_frame_url_;
 
   std::vector<EditCommand> edit_commands_;
 
   // Weak factory used in v8 |MakeWeak| callback, since the v8 callback might
   // get called after BrowserPlugin has been destroyed.
   base::WeakPtrFactory<BrowserPlugin> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserPlugin);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_H_