Add an ability to call WebKit's WebFrame::loadData via NavigationController.

content/browser/renderer_host/render_view_host_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/browser/renderer_host/render_view_host_impl.h"
 
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 289 matching lines @@
 
 void RenderViewHostImpl::SyncRendererPrefs() {
   Send(new ViewMsg_SetRendererPrefs(GetRoutingID(),
                                     delegate_->GetRendererPrefs(
                                         GetProcess()->GetBrowserContext())));
 }
 
 void RenderViewHostImpl::Navigate(const ViewMsg_Navigate_Params& params) {
   ChildProcessSecurityPolicyImpl::GetInstance()->GrantRequestURL(
       GetProcess()->GetID(), params.url);
+  if (params.url.SchemeIs(chrome::kDataScheme) &&
+      params.base_url_for_data_url.SchemeIs(chrome::kFileScheme)) {
+    // If 'data:' is used, and we have a 'file:' base url, grant access to
+    // local files.
+    ChildProcessSecurityPolicyImpl::GetInstance()->GrantRequestURL(
+        GetProcess()->GetID(), params.base_url_for_data_url);
+  }
 
   ViewMsg_Navigate* nav_message = new ViewMsg_Navigate(GetRoutingID(), params);
 
   // Only send the message if we aren't suspended at the start of a cross-site
   // request.
   if (navigations_suspended_) {
     // Shouldn't be possible to have a second navigation while suspended, since
     // navigations will only be suspended during a cross-site request.  If a
     // second navigation occurs, WebContentsImpl will cancel this pending RVH
     // create a new pending RVH.
@@ skipping 1554 matching lines @@
   // can cause navigations to be ignored in OnMsgNavigate.
   is_waiting_for_beforeunload_ack_ = false;
   is_waiting_for_unload_ack_ = false;
 }
 
 void RenderViewHostImpl::ClearPowerSaveBlockers() {
   STLDeleteValues(&power_save_blockers_);
 }
 
 }  // namespace content