Fix crash with IPC_MESSAGE_LOG_ENABLED when running in single-process mode or in-process-gpu. The …

content/child/child_thread.h

Index: content/child/child_thread.h
diff --git a/content/child/child_thread.h b/content/child/child_thread.h
index 94918febd1c0cb8d4b01ac9a4d17cc7638157560..3b45d70d511d27928d2bbcf2e819887cc0bbdb1d 100644
--- a/content/child/child_thread.h
+++ b/content/child/child_thread.h
@@ -49,7 +49,7 @@ class CONTENT_EXPORT ChildThread : public IPC::Listener, public IPC::Sender {
  public:
   // Creates the thread.
   ChildThread();
-  // Used for single-process mode.
+  // Used for single-process mode and for in process gpu mode.
   explicit ChildThread(const std::string& channel_name);
   // ChildProcess::main_thread() is reset after Shutdown(), and before the
   // destructor, so any subsystem that relies on ChildProcess::main_thread()
@@ -211,6 +211,8 @@ class CONTENT_EXPORT ChildThread : public IPC::Listener, public IPC::Sender {
 
   scoped_ptr<base::PowerMonitor> power_monitor_;
 
+  bool in_browser_process_;
+
   DISALLOW_COPY_AND_ASSIGN(ChildThread);
 };