Implement an IsAllowed function in the pepper PPB_Broker_Trusted API

content/browser/renderer_host/pepper/browser_ppapi_host_impl.h

Index: content/browser/renderer_host/pepper/browser_ppapi_host_impl.h
diff --git a/content/browser/renderer_host/pepper/browser_ppapi_host_impl.h b/content/browser/renderer_host/pepper/browser_ppapi_host_impl.h
index bee35a695fe32bbc4ff46a72d183675d7d9c5e5a..c721f969a28e9167bd899f6459109bb2252a5c45 100644
--- a/content/browser/renderer_host/pepper/browser_ppapi_host_impl.h
+++ b/content/browser/renderer_host/pepper/browser_ppapi_host_impl.h
@@ -17,6 +17,8 @@
 
 namespace content {
 
+struct PepperRendererInstanceData;
+
 class CONTENT_EXPORT BrowserPpapiHostImpl : public BrowserPpapiHost {
  public:
   // The creator is responsible for calling set_plugin_process_handle as soon
@@ -33,18 +35,19 @@ class CONTENT_EXPORT BrowserPpapiHostImpl : public BrowserPpapiHost {
   virtual bool GetRenderViewIDsForInstance(PP_Instance instance,
                                            int* render_process_id,
                                            int* render_view_id) const OVERRIDE;
+  virtual GURL GetDocumentURLForInstance(PP_Instance instance) OVERRIDE;
+  virtual GURL GetPluginURLForInstance(PP_Instance instance) OVERRIDE;
 
   void set_plugin_process_handle(base::ProcessHandle handle) {
     plugin_process_handle_ = handle;
   }
 
   // These two functions are notifications that an instance has been created
-  // or destroyed. They allow us to maintain a mapping of PP_Instance to view
-  // IDs in the browser process.
-  void AddInstanceForView(PP_Instance instance,
-                          int render_process_id,
-                          int render_view_id);
-  void DeleteInstanceForView(PP_Instance instance);
+  // or destroyed. They allow us to maintain a mapping of PP_Instance to data
+  // associated with the instance including view IDs in the browser process.
+  void AddInstance(PP_Instance instance,
+                   const PepperRendererInstanceData& instance_data);
+  void DeleteInstance(PP_Instance instance);
 
   scoped_refptr<IPC::ChannelProxy::MessageFilter> message_filter() {
     return message_filter_;
@@ -53,12 +56,6 @@ class CONTENT_EXPORT BrowserPpapiHostImpl : public BrowserPpapiHost {
  private:
   friend class BrowserPpapiHostTest;
 
-  struct RenderViewIDs {
-    int process_id;
-    int view_id;
-  };
-  typedef std::map<PP_Instance, RenderViewIDs> InstanceToViewMap;
-
   // Implementing MessageFilter on BrowserPpapiHostImpl makes it ref-counted,
   // preventing us from returning these to embedders without holding a
   // reference. To avoid that, define a message filter object.
@@ -80,9 +77,10 @@ class CONTENT_EXPORT BrowserPpapiHostImpl : public BrowserPpapiHost {
   ppapi::host::PpapiHost ppapi_host_;
   base::ProcessHandle plugin_process_handle_;
 
-  // Tracks all PP_Instances in this plugin and maps them to
-  // RenderProcess/RenderView IDs.
-  InstanceToViewMap instance_to_view_;
+  // Tracks all PP_Instances in this plugin and associated renderer-related
+  // data.
+  typedef std::map<PP_Instance, PepperRendererInstanceData> InstanceMap;
+  InstanceMap instance_map_;
 
   scoped_refptr<HostMessageFilter> message_filter_;