Revert of [blink] Unique pointers in Platform.h

content/ppapi_plugin/ppapi_blink_platform_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/ppapi_plugin/ppapi_blink_platform_impl.h"
 
 #include <stdint.h>
 
 #include <map>
 
 #include "base/logging.h"
 #include "base/strings/string16.h"
 #include "base/threading/platform_thread.h"
 #include "build/build_config.h"
 #include "content/child/child_thread_impl.h"
 #include "content/common/child_process_messages.h"
 #include "ppapi/proxy/plugin_globals.h"
 #include "ppapi/shared_impl/proxy_lock.h"
-#include "third_party/WebKit/public/platform/WebStorageNamespace.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 
 #if defined(OS_MACOSX)
 #include "third_party/WebKit/public/platform/mac/WebSandboxSupport.h"
 #elif defined(OS_POSIX) && !defined(OS_ANDROID)
 #include "content/child/child_process_sandbox_support_impl_linux.h"
 #include "third_party/WebKit/public/platform/linux/WebFallbackFont.h"
 #include "third_party/WebKit/public/platform/linux/WebSandboxSupport.h"
 #include "third_party/icu/source/common/unicode/utf16.h"
 #endif
@@ skipping 186 matching lines @@
     const blink::WebSecurityOrigin& mainFrameOrigin,
     blink::WebPluginListBuilder* builder) {
   NOTREACHED();
 }
 
 blink::WebData PpapiBlinkPlatformImpl::LoadResource(const char* name) {
   NOTREACHED();
   return blink::WebData();
 }
 
-std::unique_ptr<blink::WebStorageNamespace>
+blink::WebStorageNamespace*
 PpapiBlinkPlatformImpl::CreateLocalStorageNamespace() {
   NOTREACHED();
-  return nullptr;
+  return 0;
 }
 
 void PpapiBlinkPlatformImpl::dispatchStorageEvent(
     const blink::WebString& key,
     const blink::WebString& old_value,
     const blink::WebString& new_value,
     const blink::WebString& origin,
     const blink::WebURL& url,
     bool is_local_storage) {
   NOTREACHED();
 }
 
 int PpapiBlinkPlatformImpl::DatabaseDeleteFile(
     const blink::WebString& vfs_file_name,
     bool sync_dir) {
   NOTREACHED();
   return 0;
 }
 
 }  // namespace content