[content shell] move browser process stuff into browser/ subdir

content/shell/shell_application_mac.mm

-// 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/shell/shell_application_mac.h"
-
-#include "base/auto_reset.h"
-#include "content/public/common/url_constants.h"
-#include "content/shell/shell.h"
-#include "content/shell/shell_browser_context.h"
-#include "content/shell/shell_content_browser_client.h"
-#include "url/gurl.h"
-
-@implementation ShellCrApplication
-
-- (BOOL)isHandlingSendEvent {
-  return handlingSendEvent_;
-}
-
-- (void)sendEvent:(NSEvent*)event {
-  base::AutoReset<BOOL> scoper(&handlingSendEvent_, YES);
-  [super sendEvent:event];
-}
-
-- (void)setHandlingSendEvent:(BOOL)handlingSendEvent {
-  handlingSendEvent_ = handlingSendEvent;
-}
-
-- (IBAction)newDocument:(id)sender {
-  content::ShellBrowserContext* browserContext =
-      content::ShellContentBrowserClient::Get()->browser_context();
-  content::Shell::CreateNewWindow(browserContext,
-                                  GURL(content::kAboutBlankURL),
-                                  NULL,
-                                  MSG_ROUTING_NONE,
-                                  gfx::Size());
-}
-
-@end