Implementation of URLLoader using PluginResource/ResourceHost.

content/renderer/pepper/renderer_ppapi_host_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_RENDERER_PPAPI_HOST_IMPL_H_
 #define CONTENT_RENDERER_PEPPER_RENDERER_PPAPI_HOST_IMPL_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/public/renderer/renderer_ppapi_host.h"
@@ skipping 64 matching lines @@
 
   // Creates the in-process resource creation API wrapper for the given
   // plugin instance. This object will reference the host impl, so the
   // host impl should outlive the returned pointer. Since the resource
   // creation object is associated with the instance, this will generally
   // happen automatically.
   scoped_ptr< ::ppapi::thunk::ResourceCreationAPI>
       CreateInProcessResourceCreationAPI(
           webkit::ppapi::PluginInstance* instance);
 
-  // RendererPpapiHost.
+  // RendererPpapiHost implementation.
   virtual ppapi::host::PpapiHost* GetPpapiHost() OVERRIDE;
   virtual bool IsValidInstance(PP_Instance instance) const OVERRIDE;
   virtual webkit::ppapi::PluginInstance* GetPluginInstance(
       PP_Instance instance) const OVERRIDE;
   virtual webkit::ppapi::PluginDelegate::PlatformGraphics2D*
       GetPlatformGraphics2D(PP_Resource resource) OVERRIDE;
   virtual RenderView* GetRenderViewForInstance(
       PP_Instance instance) const OVERRIDE;
   virtual WebKit::WebPluginContainer* GetContainerForInstance(
       PP_Instance instance) const OVERRIDE;
+  virtual base::ProcessId GetPluginPID() const OVERRIDE;
   virtual bool HasUserGesture(PP_Instance instance) const OVERRIDE;
   virtual int GetRoutingIDForWidget(PP_Instance instance) const OVERRIDE;
   virtual gfx::Point PluginPointToRenderView(
       PP_Instance instance,
       const gfx::Point& pt) const OVERRIDE;
   virtual IPC::PlatformFileForTransit ShareHandleWithRemote(
       base::PlatformFile handle,
       bool should_close_source) OVERRIDE;
   virtual bool IsRunningInProcess() const OVERRIDE;
 
  private:
   RendererPpapiHostImpl(webkit::ppapi::PluginModule* module,
                         ppapi::proxy::HostDispatcher* dispatcher,
                         const ppapi::PpapiPermissions& permissions);
   RendererPpapiHostImpl(webkit::ppapi::PluginModule* module,
                         const ppapi::PpapiPermissions& permissions);
 
   // Retrieves the plugin instance object associated with the given PP_Instance
   // and validates that it is one of the instances associated with our module.
   // Returns NULL on failure.
   //
   // We use this to security check the PP_Instance values sent from a plugin to
   // make sure it's not trying to spoof another instance.
   webkit::ppapi::PluginInstance* GetAndValidateInstance(
       PP_Instance instance) const;
 
   webkit::ppapi::PluginModule* module_;  // Non-owning pointer.
 
-  ppapi::proxy::HostDispatcher* dispatcher_;  // Non-owning pointer.
+  // The dispatcher we use to send messagse when the plugin is out-of-process.
+  // Will be null when running in-process. Non-owning pointer.
+  ppapi::proxy::HostDispatcher* dispatcher_;
 
   scoped_ptr<ppapi::host::PpapiHost> ppapi_host_;
 
   // Null when running out-of-process.
   scoped_ptr<PepperInProcessRouter> in_process_router_;
 
   // Whether the plugin is running in process.
   bool is_running_in_process_;
 
   DISALLOW_COPY_AND_ASSIGN(RendererPpapiHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_RENDERER_PPAPI_HOST_IMPL_H_