First pass at making the proxy handle multiple renderers. This associates the...

ppapi/proxy/ppb_url_response_info_proxy.cc

Index: ppapi/proxy/ppb_url_response_info_proxy.cc
===================================================================
--- ppapi/proxy/ppb_url_response_info_proxy.cc	(revision 71973)
+++ ppapi/proxy/ppb_url_response_info_proxy.cc	(working copy)
@@ -15,7 +15,7 @@
 
 class URLResponseInfo : public PluginResource {
  public:
-  URLResponseInfo() {}
+  URLResponseInfo(PP_Instance instance) : PluginResource(instance) {}
   virtual ~URLResponseInfo() {}
 
   // Resource overrides.
@@ -33,7 +33,14 @@
 }
 
 PP_Var GetProperty(PP_Resource response, PP_URLResponseProperty property) {
-  Dispatcher* dispatcher = PluginDispatcher::Get();
+  URLResponseInfo* object = PluginResource::GetAs<URLResponseInfo>(response);
+  if (!object)
+    return PP_MakeUndefined();
+  PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(
+      object->instance());
+  if (!dispatcher)
+    return PP_MakeUndefined();
+
   ReceiveSerializedVarReturnValue result;
   dispatcher->Send(new PpapiHostMsg_PPBURLResponseInfo_GetProperty(
       INTERFACE_ID_PPB_URL_RESPONSE_INFO, response, property, &result));
@@ -43,7 +50,6 @@
 PP_Resource GetBodyAsFileRef(PP_Resource response) {
   PP_Resource result = 0;
   /*
-  Dispatcher* dispatcher = PluginDispatcher::Get();
   dispatcher->Send(new PpapiHostMsg_PPBURLResponseInfo_GetBodyAsFileRef(
       INTERFACE_ID_PPB_URL_RESPONSE_INFO, response, &result));
   // TODO(brettw) when we have FileRef proxied, make an object from that
@@ -71,9 +77,10 @@
 
 // static
 void PPB_URLResponseInfo_Proxy::TrackPluginResource(
+    PP_Instance instance,
     PP_Resource response_resource) {
-  linked_ptr<URLResponseInfo> object(new URLResponseInfo);
-  PluginDispatcher::Get()->plugin_resource_tracker()->AddResource(
+  linked_ptr<URLResponseInfo> object(new URLResponseInfo(instance));
+  PluginResourceTracker::GetInstance()->AddResource(
       response_resource, object);
 }