Move SpeechRecognizer delegate into its own header file and put it in the content namespace.

content/content_browser.gypi

 # 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.
 
 {
   'dependencies': [
     'browser/debugger/devtools_resources.gyp:devtools_resources',
     '../base/base.gyp:base_static',
     '../crypto/crypto.gyp:crypto',
     '../net/net.gyp:http_server',
@@ skipping 86 matching lines @@
     'public/browser/resource_dispatcher_host_delegate.h',
     'public/browser/resource_dispatcher_host_login_delegate.h',
     'public/browser/resource_throttle.h',
     'public/browser/resource_throttle_controller.h',
     'public/browser/save_page_type.h',
     'public/browser/sensors.h',
     'public/browser/sensors_listener.h',
     'public/browser/sensors_provider.h',
     'public/browser/site_instance.h',
     'public/browser/speech_input_preferences.h',
+    'public/browser/speech_recognizer_delegate.h',
     'public/browser/user_metrics.h',
     'public/browser/utility_process_host.h',
     'public/browser/web_contents.h',
     'public/browser/web_contents_delegate.cc',
     'public/browser/web_contents_delegate.h',
     'public/browser/web_contents_observer.cc',
     'public/browser/web_contents_observer.h',
     'public/browser/web_contents_view.h',
     'public/browser/web_contents_view_mac_delegate.h',
     'public/browser/web_intents_dispatcher.h',
@@ skipping 733 matching lines @@
         'ENABLE_JAVA_BRIDGE',
       ],
     }, {
       'sources/': [
         ['exclude', '^browser/renderer_host/java/'],
       ],
     }],
   ],
 }