Pepper: Introduce ThreadAwareCallback.

ppapi/shared_impl/ppapi_globals.h

Index: ppapi/shared_impl/ppapi_globals.h
diff --git a/ppapi/shared_impl/ppapi_globals.h b/ppapi/shared_impl/ppapi_globals.h
index 0573c982f77d286501b814dd46eeb6b55fcb57e5..7d376d04e3d957615eb97061a5510c968ab1598c 100644
--- a/ppapi/shared_impl/ppapi_globals.h
+++ b/ppapi/shared_impl/ppapi_globals.h
@@ -43,8 +43,8 @@ class PPAPI_SHARED_EXPORT PpapiGlobals {
   // purposes. This avoids setting the global static ppapi_globals_. For unit
   // tests that use this feature, the "test" PpapiGlobals should be constructed
   // using this method. See SetPpapiGlobalsOnThreadForTest for more information.
-  struct ForTest {};
-  explicit PpapiGlobals(ForTest);
+  struct ForPerThreadTest {};

[dmichael (off chromium), 2013/01/15 22:43:52]

Since it's really the PpapiGlobals that's "Per-thread", not the test, how about:
PerThreadForTest

(That also leaves "ForTest" together, which makes it clearer, since a ForTest
suffix is meaningful in Chromium)

[yzshen1, 2013/01/16 18:55:59]

Done.

+  explicit PpapiGlobals(ForPerThreadTest);
 
   virtual ~PpapiGlobals();
 
@@ -64,7 +64,7 @@ class PPAPI_SHARED_EXPORT PpapiGlobals {
   // the same process, e.g. for having 1 thread emulate the "host" and 1 thread
   // emulate the "plugin".
   //
-  // PpapiGlobals object must have been constructed using the "ForTest"
+  // PpapiGlobals object must have been constructed using the "ForPerThreadTest"
   // parameter.
   static void SetPpapiGlobalsOnThreadForTest(PpapiGlobals* ptr);