Add means for running some tests only o-o-p, add messaging o-o-p test.

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 a7d7ab339572a854bc3e2dc6933ed4dab1edae65..67679d0c61b57c96167043f93efcc72ff2ccf4d2 100644
--- a/webkit/plugins/ppapi/plugin_module.cc
+++ b/webkit/plugins/ppapi/plugin_module.cc
@@ -205,11 +205,16 @@ uint32_t GetLiveObjectsForInstance(PP_Instance instance_id) {
   return ResourceTracker::Get()->GetLiveObjectsForInstance(instance_id);
 }
 
+PP_Bool IsOutOfProcess() {
+  return PP_FALSE;
+}
+
 const PPB_Testing_Dev testing_interface = {
   &ReadImageData,
   &RunMessageLoop,
   &QuitMessageLoop,
-  &GetLiveObjectsForInstance
+  &GetLiveObjectsForInstance,
+  &IsOutOfProcess
 };
 
 // GetInterface ----------------------------------------------------------------
@@ -367,7 +372,11 @@ const void* GetInterface(const char* name) {
   // Only support the testing interface when the command line switch is
   // specified. This allows us to prevent people from (ab)using this interface
   // in production code.
-  if (strcmp(name, PPB_TESTING_DEV_INTERFACE) == 0) {
+  // TODO(dmichael): Remove support for 0.6. Note that 0.7 only adds a function
+  // to the end, so returning an 0.7 struct for use by clients of 0.6 just
+  // works in practice.
+  if (strcmp(name, PPB_TESTING_DEV_INTERFACE) == 0 ||
+      strcmp(name, PPB_TESTING_DEV_INTERFACE_0_6) == 0) {
     if (CommandLine::ForCurrentProcess()->HasSwitch("enable-pepper-testing"))
       return &testing_interface;
   }