chrome/browser/ui: Put browser_dialogs.h into chrome namespace.

chrome/browser/ui/cocoa/about_ipc_dialog.mm

 // Copyright (c) 2011 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 "chrome/browser/ui/browser_dialogs.h"
+#include "chrome/browser/ui/cocoa/about_ipc_controller.h"
 #include "chrome/browser/ui/cocoa/about_ipc_dialog.h"
-#include "chrome/browser/ui/cocoa/about_ipc_controller.h"
 
 #if defined(IPC_MESSAGE_LOG_ENABLED)
 
-namespace browser {
+namespace chrome {
 
 void ShowAboutIPCDialog() {
   // The controller gets deallocated when then window is closed,
   // so it is safe to "fire and forget".
   AboutIPCController* controller = [AboutIPCController sharedController];
   [[controller window] makeKeyAndOrderFront:controller];
 }
 
-}  // namespace browser
+}  // namespace chrome
 
 void AboutIPCBridge::Log(const IPC::LogData& data) {
   CocoaLogData* cocoa_data = [[CocoaLogData alloc] initWithLogData:data];
   if ([NSThread isMainThread]) {
     [controller_ log:cocoa_data];
   } else {
     [controller_ performSelectorOnMainThread:@selector(log:)
                                   withObject:cocoa_data
                                waitUntilDone:NO];
   }
 }
 
 #endif  // IPC_MESSAGE_LOG_ENABLED