PPAPI: Format ppapi/thunk using clang-format.

ppapi/thunk/ppb_flash_message_loop_api.h

Index: ppapi/thunk/ppb_flash_message_loop_api.h
diff --git a/ppapi/thunk/ppb_flash_message_loop_api.h b/ppapi/thunk/ppb_flash_message_loop_api.h
index 618eacee61c5ab6d7cbe493a07794f3a5e99cc63..53a55fa99e5d514228055ae49dbdae7f263c98f3 100644
--- a/ppapi/thunk/ppb_flash_message_loop_api.h
+++ b/ppapi/thunk/ppb_flash_message_loop_api.h
@@ -21,9 +21,8 @@ class PPB_Flash_MessageLoop_API {
   // This is used by the proxy at the host side to call into the implementation.
   // |callback| is called when the message loop is signaled to quit but before
   // the method returns.
-  typedef base::Callback<void (int32_t)> RunFromHostProxyCallback;
-  virtual void RunFromHostProxy(
-      const RunFromHostProxyCallback& callback) = 0;
+  typedef base::Callback<void(int32_t)> RunFromHostProxyCallback;
+  virtual void RunFromHostProxy(const RunFromHostProxyCallback& callback) = 0;
 };
 
 }  // namespace thunk