Move PageTransition into content namespace. While I'm touching all these files, I've also updated...

content/browser/renderer_host/resource_dispatcher_host_request_info.cc

 // 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 "content/browser/renderer_host/resource_dispatcher_host_request_info.h"
 
 #include "content/browser/renderer_host/resource_dispatcher_host_login_delegate.h"
 #include "content/browser/renderer_host/resource_handler.h"
 #include "content/browser/ssl/ssl_client_auth_handler.h"
 #include "webkit/blob/blob_data.h"
 
 ResourceDispatcherHostRequestInfo::ResourceDispatcherHostRequestInfo(
     ResourceHandler* handler,
     ChildProcessInfo::ProcessType process_type,
     int child_id,
     int route_id,
     int origin_pid,
     int request_id,
     bool is_main_frame,
     int64 frame_id,
     ResourceType::Type resource_type,
-    PageTransition::Type transition_type,
+    content::PageTransition transition_type,
     uint64 upload_size,
     bool is_download,
     bool allow_download,
     bool has_user_gesture,
     const content::ResourceContext* context)
     : resource_handler_(handler),
       cross_site_handler_(NULL),
       process_type_(process_type),
       child_id_(child_id),
       route_id_(route_id),
@@ skipping 30 matching lines @@
 
 void ResourceDispatcherHostRequestInfo::set_ssl_client_auth_handler(
     SSLClientAuthHandler* s) {
   ssl_client_auth_handler_ = s;
 }
 
 void ResourceDispatcherHostRequestInfo::set_requested_blob_data(
     webkit_blob::BlobData* data) {
   requested_blob_data_ = data;
 }