PPAPI: Use clang-format on ppapi/shared_impl

ppapi/shared_impl/tracked_callback.h

Index: ppapi/shared_impl/tracked_callback.h
diff --git a/ppapi/shared_impl/tracked_callback.h b/ppapi/shared_impl/tracked_callback.h
index c8b6c01362801df1b4a4c494fd70cca30af79995..294c9b99b4e3b89492e0c5d5c9fe438b6f078c3e 100644
--- a/ppapi/shared_impl/tracked_callback.h
+++ b/ppapi/shared_impl/tracked_callback.h
@@ -109,13 +109,9 @@ class PPAPI_SHARED_EXPORT TrackedCallback
   bool aborted() const { return aborted_; }
 
   // Returns true if this is a blocking callback.
-  bool is_blocking() {
-    return !callback_.func;
-  }
+  bool is_blocking() { return !callback_.func; }
 
-  MessageLoopShared* target_loop() const {
-    return target_loop_.get();
-  }
+  MessageLoopShared* target_loop() const { return target_loop_.get(); }
 
   // Determines if the given callback is pending. A callback is pending if it
   // has not completed and has not been aborted. When receiving a plugin call,