Chrome side to allow WebKit layer to use WebPermissionClient to check if access to local storage ...

content/renderer/renderer_webstoragearea_impl.cc

 // Copyright (c) 2010 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/renderer/renderer_webstoragearea_impl.h"
 
+// TODO(jam): temporary include until webkit merge
+#include "chrome/renderer/content_settings_observer.h"
+
 #include "content/common/dom_storage_messages.h"
 #include "content/renderer/render_thread.h"
 #include "content/renderer/render_view.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURL.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
 
 using WebKit::WebFrame;
 using WebKit::WebString;
 using WebKit::WebURL;
 using WebKit::WebView;
 
 RendererWebStorageAreaImpl::RendererWebStorageAreaImpl(
-    int64 namespace_id, const WebString& origin) {
+    int64 namespace_id, const WebString& origin, DOMStorageType storage_type)
+    : storage_type_(storage_type) {
   RenderThread::current()->Send(
       new DOMStorageHostMsg_StorageAreaId(namespace_id, origin,
                                           &storage_area_id_));
 }
 
 RendererWebStorageAreaImpl::~RendererWebStorageAreaImpl() {
 }
 
 unsigned RendererWebStorageAreaImpl::length() {
   unsigned length;
@@ skipping 16 matching lines @@
   return value;
 }
 
 void RendererWebStorageAreaImpl::setItem(
     const WebString& key, const WebString& value, const WebURL& url,
     WebStorageArea::Result& result, WebString& old_value_webkit,
     WebFrame* web_frame) {
   int32 render_view_id = MSG_ROUTING_CONTROL;
   if (web_frame) {
     RenderView* render_view = RenderView::FromWebView(web_frame->view());
-    if (render_view)
+    if (render_view) {
       render_view_id = render_view->routing_id();
+
+      // TODO(jam): remove after merge
+      ContentSettingsObserver* content_setting =
+          ContentSettingsObserver::Get(render_view);
+      if (!content_setting->AllowStorage(
+              web_frame, storage_type_ == DOM_STORAGE_LOCAL)) {
+        result = WebStorageArea::ResultBlockedByQuota;
+        old_value_webkit = NullableString16();
+        return;
+      }
+    }
   }
   DCHECK(render_view_id != MSG_ROUTING_CONTROL);
 
   NullableString16 old_value;
-  IPC::SyncMessage* message =
-      new DOMStorageHostMsg_SetItem(render_view_id, storage_area_id_, key,
-                                    value, url, &result, &old_value);
-  // NOTE: This may pump events (see RenderThread::Send).
-  RenderThread::current()->Send(message);
+  RenderThread::current()->Send(new DOMStorageHostMsg_SetItem(
+      render_view_id, storage_area_id_, key, value, url, &result, &old_value));
   old_value_webkit = old_value;
 }
 
 void RendererWebStorageAreaImpl::removeItem(
     const WebString& key, const WebURL& url, WebString& old_value_webkit) {
   NullableString16 old_value;
   RenderThread::current()->Send(
       new DOMStorageHostMsg_RemoveItem(storage_area_id_, key, url, &old_value));
   old_value_webkit = old_value;
 }
 
 void RendererWebStorageAreaImpl::clear(
     const WebURL& url, bool& cleared_something) {
   RenderThread::current()->Send(
       new DOMStorageHostMsg_Clear(storage_area_id_, url, &cleared_something));
 }