Consolidate manifest handler registration.

chrome/browser/extensions/api/streams_private/streams_private_api.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 "chrome/browser/extensions/api/streams_private/streams_private_api.h"
 
 #include "base/json/json_writer.h"
 #include "base/lazy_instance.h"
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/event_router.h"
 #include "chrome/browser/extensions/extension_function_registry.h"
 #include "chrome/browser/extensions/extension_input_module_constants.h"
 #include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/extensions/extension_tab_util.h"
 #include "chrome/browser/profiles/profile.h"
-#include "chrome/common/extensions/mime_types_handler.h"
 #include "content/public/browser/stream_handle.h"
 
 namespace keys = extension_input_module_constants;
 
 namespace events {
 
 const char kOnExecuteMimeTypeHandler[] =
     "streamsPrivate.onExecuteMimeTypeHandler";
 
 }  // namespace events
 
 namespace extensions {
 
 // static
 StreamsPrivateAPI* StreamsPrivateAPI::Get(Profile* profile) {
   return GetFactoryInstance()->GetForProfile(profile);
 }
 
 StreamsPrivateAPI::StreamsPrivateAPI(Profile* profile)
     : profile_(profile),
       weak_ptr_factory_(this) {
-  (new MimeTypesHandlerParser)->Register();
-
   registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNLOADED,
                  content::Source<Profile>(profile));
 }
 
 StreamsPrivateAPI::~StreamsPrivateAPI() {
 }
 
 void StreamsPrivateAPI::ExecuteMimeTypeHandler(
     const std::string& extension_id,
     const content::WebContents* web_contents,
@@ skipping 28 matching lines @@
 void StreamsPrivateAPI::Observe(int type,
                                 const content::NotificationSource& source,
                                 const content::NotificationDetails& details) {
   if (type == chrome::NOTIFICATION_EXTENSION_UNLOADED) {
     const Extension* extension =
         content::Details<const UnloadedExtensionInfo>(details)->extension;
     streams_.erase(extension->id());
   }
 }
 }  // namespace extensions