Revert of Replace Chrome IPC with Mojo IPC for querying BatteryStatus service

content/renderer/shared_memory_seqlock_reader.cc

 // Copyright 2013 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.
 
 #include "shared_memory_seqlock_reader.h"
 
-namespace content {
 namespace internal {
 
 SharedMemorySeqLockReaderBase::SharedMemorySeqLockReaderBase() { }
 
 SharedMemorySeqLockReaderBase::~SharedMemorySeqLockReaderBase() { }
 
 void*
 SharedMemorySeqLockReaderBase::InitializeSharedMemory(
     base::SharedMemoryHandle shared_memory_handle, size_t buffer_size) {
   renderer_shared_memory_handle_ = shared_memory_handle;
@@ skipping 32 matching lines @@
     // buffer, and simply leave what was there before.
     return false;
   }
 
   // New data was read successfully, copy it into the output buffer.
   memcpy(final, temp, size);
   return true;
 }
 
 }  // namespace internal
-}  // namespace content