Fix up instance registration with the browser.

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 43 matching lines @@
   // The module will take ownership of the new host impl. The returned value
   // does not pass ownership, it's just for the information of the caller.
   static RendererPpapiHostImpl* CreateOnModuleForOutOfProcess(
       webkit::ppapi::PluginModule* module,
       ppapi::proxy::HostDispatcher* dispatcher,
       const ppapi::PpapiPermissions& permissions);
   static RendererPpapiHostImpl* CreateOnModuleForInProcess(
       webkit::ppapi::PluginModule* module,
       const ppapi::PpapiPermissions& permissions);
 
+  // Returns the RendererPpapiHostImpl associated with the given PP_Instance,
+  // or NULL if the instance is invalid.
+  static RendererPpapiHostImpl* GetForPPInstance(PP_Instance pp_instance);
+
   // Returns the router that we use for in-process IPC emulation (see the
   // pepper_in_process_router.h for more). This will be NULL when the plugin
   // is running out-of-process.
   PepperInProcessRouter* in_process_router() {
     return in_process_router_.get();
   }
 
   // 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
@@ skipping 32 matching lines @@
 
   // Null when running out-of-process.
   scoped_ptr<PepperInProcessRouter> in_process_router_;
 
   DISALLOW_COPY_AND_ASSIGN(RendererPpapiHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_RENDERER_PPAPI_HOST_IMPL_H_