Style fix in Android DeviceOrientation header.

content/browser/device_orientation/data_fetcher_impl_android.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_DEVICE_ORIENTATION_DATA_FETCHER_IMPL_ANDROID_H_
 #define CHROME_BROWSER_DEVICE_ORIENTATION_DATA_FETCHER_IMPL_ANDROID_H_
 #pragma once
 
 #include <jni.h>
 
@@ skipping 27 matching lines @@
   void GotOrientation(JNIEnv*, jobject,
                       double alpha, double beta, double gamma);
 
   // Implementation of DataFetcher.
   virtual bool GetOrientation(Orientation* orientation) OVERRIDE;
 
  private:
   DataFetcherImplAndroid();
 
   // Wrappers for JNI methods.
-  bool Start(int rateInMilliseconds);
+  bool Start(int rate_in_milliseconds);
   void Stop();
 
   // Value returned by GetOrientation.
   scoped_ptr<Orientation> current_orientation_;
 
   // 1-element buffer, written by GotOrientation, read by GetOrientation.
   base::Lock next_orientation_lock_;
   scoped_ptr<Orientation> next_orientation_;
 
   DISALLOW_COPY_AND_ASSIGN(DataFetcherImplAndroid);
 };
 
 }  // namespace device_orientation
 
 #endif  // CHROME_BROWSER_DEVICE_ORIENTATION_DATA_FETCHER_IMPL_ANDROID_H_