Update uses of UTF conversions in content/ to use the base:: namespace.

content/worker/worker_webkitplatformsupport_impl.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 "content/worker/worker_webkitplatformsupport_impl.h"
 
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/platform_file.h"
@@ skipping 246 matching lines @@
     const WebString&) {
   NOTREACHED();
   return WebMimeRegistry::IsSupported;
 }
 
 WebString WorkerWebKitPlatformSupportImpl::mimeTypeForExtension(
     const WebString& file_extension) {
   std::string mime_type;
   thread_safe_sender_->Send(new MimeRegistryMsg_GetMimeTypeFromExtension(
       base::FilePath::FromUTF16Unsafe(file_extension).value(), &mime_type));
-  return ASCIIToUTF16(mime_type);
+  return base::ASCIIToUTF16(mime_type);
 }
 
 WebString WorkerWebKitPlatformSupportImpl::wellKnownMimeTypeForExtension(
     const WebString& file_extension) {
   std::string mime_type;
   net::GetWellKnownMimeTypeFromExtension(
       base::FilePath::FromUTF16Unsafe(file_extension).value(), &mime_type);
-  return ASCIIToUTF16(mime_type);
+  return base::ASCIIToUTF16(mime_type);
 }
 
 WebString WorkerWebKitPlatformSupportImpl::mimeTypeFromFile(
     const WebString& file_path) {
   std::string mime_type;
   thread_safe_sender_->Send(
       new MimeRegistryMsg_GetMimeTypeFromFile(
           base::FilePath::FromUTF16Unsafe(file_path),
           &mime_type));
-  return ASCIIToUTF16(mime_type);
+  return base::ASCIIToUTF16(mime_type);
 }
 
 WebBlobRegistry* WorkerWebKitPlatformSupportImpl::blobRegistry() {
   return blob_registry_.get();
 }
 
 void WorkerWebKitPlatformSupportImpl::queryStorageUsageAndQuota(
     const blink::WebURL& storage_partition,
     blink::WebStorageQuotaType type,
     blink::WebStorageQuotaCallbacks* callbacks) {
   if (!thread_safe_sender_.get() || !quota_message_filter_.get())
     return;
   QuotaDispatcher::ThreadSpecificInstance(
       thread_safe_sender_.get(),
       quota_message_filter_.get())->QueryStorageUsageAndQuota(
           storage_partition,
           static_cast<quota::StorageType>(type),
           QuotaDispatcher::CreateWebStorageQuotaCallbacksWrapper(callbacks));
 }
 
 }  // namespace content