Add a unified resource tracker shared between the proxy and the impl.

webkit/plugins/ppapi/plugin_module.cc

Index: webkit/plugins/ppapi/plugin_module.cc
diff --git a/webkit/plugins/ppapi/plugin_module.cc b/webkit/plugins/ppapi/plugin_module.cc
index f891e9b615c758064e2d19a709279af4850d8c3f..927528d94e12307f10953239513ded0821026c2b 100644
--- a/webkit/plugins/ppapi/plugin_module.cc
+++ b/webkit/plugins/ppapi/plugin_module.cc
@@ -138,15 +138,11 @@ base::MessageLoopProxy* GetMainThreadMessageLoop() {
 // PPB_Core --------------------------------------------------------------------
 
 void AddRefResource(PP_Resource resource) {
-  if (!ResourceTracker::Get()->AddRefResource(resource)) {
-    DLOG(WARNING) << "AddRefResource()ing a nonexistent resource " << resource;
-  }
+  ResourceTracker::Get()->AddRefResource(resource);
 }
 
 void ReleaseResource(PP_Resource resource) {
-  if (!ResourceTracker::Get()->UnrefResource(resource)) {
-    DLOG(WARNING) << "ReleaseResource()ing a nonexistent resource " << resource;
-  }
+  ResourceTracker::Get()->ReleaseResource(resource);
 }
 
 PP_Time GetTime() {