Put the Pepper stuff in the content namespace.

content/renderer/pepper/pepper_broker_impl.cc

 // 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.
 
 #include "content/renderer/pepper/pepper_broker_impl.h"
 
 #include "build/build_config.h"
 #include "content/renderer/pepper/pepper_plugin_delegate_impl.h"
 #include "content/renderer/pepper/pepper_proxy_channel_delegate_impl.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ppapi/proxy/broker_dispatcher.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/shared_impl/platform_file.h"
 #include "webkit/plugins/ppapi/plugin_module.h"
 #include "webkit/plugins/ppapi/ppb_broker_impl.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
+namespace content {
+
 namespace {
 
 base::SyncSocket::Handle DuplicateHandle(base::SyncSocket::Handle handle) {
   base::SyncSocket::Handle out_handle = base::kInvalidPlatformFileValue;
 #if defined(OS_WIN)
   DWORD options = DUPLICATE_SAME_ACCESS;
   if (!::DuplicateHandle(::GetCurrentProcess(),
                          handle,
                          ::GetCurrentProcess(),
                          &out_handle,
@@ skipping 207 matching lines @@
   }
 
   // TOOD(ddorwin): Change the IPC to asynchronous: Queue an object containing
   // client and plugin_socket.release(), then return.
   // That message handler will then call client->BrokerConnected() with the
   // saved pipe handle.
   // Temporarily, just call back.
   client->BrokerConnected(ppapi::PlatformFileToInt(plugin_handle), result);
 }
 
+}  // namespace content