Indicate in the tab UI if appcache creation was blocked by privacy settings.

TEST=manual
BUG=38362

Review URL: http://codereview.chromium.org/1600002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@44079 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/renderer/renderer_webapplicationcachehost_impl.cc b/chrome/renderer/renderer_webapplicationcachehost_impl.cc
new file mode 100644
index 0000000..88ffd2c
--- /dev/null
+++ b/chrome/renderer/renderer_webapplicationcachehost_impl.cc
@@ -0,0 +1,32 @@
+// 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 "chrome/renderer/renderer_webapplicationcachehost_impl.h"
+
+#include "chrome/common/content_settings_types.h"
+#include "chrome/renderer/render_thread.h"
+#include "chrome/renderer/render_view.h"
+
+using appcache::AppCacheBackend;
+using WebKit::WebApplicationCacheHostClient;
+
+RendererWebApplicationCacheHostImpl::RendererWebApplicationCacheHostImpl(
+    RenderView* render_view,
+    WebApplicationCacheHostClient* client,
+    AppCacheBackend* backend)
+    : WebApplicationCacheHostImpl(client, backend),
+      content_blocked_(false),
+      routing_id_(render_view->routing_id()) {
+}
+
+RendererWebApplicationCacheHostImpl::~RendererWebApplicationCacheHostImpl() {
+}
+
+void RendererWebApplicationCacheHostImpl::OnContentBlocked() {
+  if (!content_blocked_) {
+    RenderThread::current()->Send(new ViewHostMsg_ContentBlocked(
+        routing_id_, CONTENT_SETTINGS_TYPE_COOKIES));
+    content_blocked_ = true;
+  }
+}