Don't allow sending data URLs to WebUI, unless in a ChromeOS BalloonHost.

content/browser/web_contents/web_contents_impl_unittest.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 "base/logging.h"
 #include "base/utf_string_conversions.h"
 #include "content/browser/mock_content_browser_client.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/renderer_host/test_render_view_host.h"
 #include "content/browser/site_instance_impl.h"
@@ skipping 57 matching lines @@
                               const GURL& url) const OVERRIDE {
     return content::GetContentClient()->HasWebUIScheme(url);
   }
 
   virtual bool UseWebUIBindingsForURL(BrowserContext* browser_context,
                                       const GURL& url) const OVERRIDE {
     return content::GetContentClient()->HasWebUIScheme(url);
   }
 
   virtual bool IsURLAcceptableForWebUI(
-      BrowserContext* browser_context, const GURL& url) const {
+      BrowserContext* browser_context,
+      const GURL& url,
+      bool data_urls_allowed) const {
     return content::GetContentClient()->HasWebUIScheme(url);
   }
 };
 
 class WebContentsImplTestContentClient : public TestContentClient {
  public:
   WebContentsImplTestContentClient() {
   }
 
   virtual bool HasWebUIScheme(const GURL& url) const OVERRIDE {
@@ skipping 1842 matching lines @@
   // It should have a transient entry.
   EXPECT_TRUE(other_controller.GetTransientEntry());
 
   // And the interstitial should be showing.
   EXPECT_TRUE(other_contents->ShowingInterstitialPage());
 
   // And the interstitial should do a reload on don't proceed.
   EXPECT_TRUE(static_cast<InterstitialPageImpl*>(
       other_contents->GetInterstitialPage())->reload_on_dont_proceed());
 }