[Mac] More descriptive process name for flapper.

content/ppapi_plugin/ppapi_thread.cc

Index: content/ppapi_plugin/ppapi_thread.cc
diff --git a/content/ppapi_plugin/ppapi_thread.cc b/content/ppapi_plugin/ppapi_thread.cc
index eab38dc3bbde973f8d1759156318ad2a55caab39..e79abe57ff7ac8c8f9aac5ebb9aeddad77003e81 100644
--- a/content/ppapi_plugin/ppapi_thread.cc
+++ b/content/ppapi_plugin/ppapi_thread.cc
@@ -17,6 +17,7 @@
 #include "content/ppapi_plugin/plugin_process_dispatcher.h"
 #include "content/ppapi_plugin/ppapi_webkitplatformsupport_impl.h"
 #include "content/public/common/sandbox_init.h"
+#include "content/public/plugin/content_plugin_client.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_platform_file.h"
 #include "ipc/ipc_sync_channel.h"
@@ -367,4 +368,11 @@ bool PpapiThread::SetupRendererChannel(int renderer_id,
 void PpapiThread::SavePluginName(const FilePath& path) {
   ppapi::proxy::PluginGlobals::Get()->set_plugin_name(
       path.BaseName().AsUTF8Unsafe());
+
+  // plugin() is NULL when in-process.  Which is fine, because this is
+  // just a hook for setting the process name.
+  if (content::GetContentClient()->plugin()) {
+    content::GetContentClient()->plugin()->PluginProcessStarted(
+        path.BaseName().RemoveExtension().LossyDisplayName());
+  }
 }