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

content/browser/web_contents/render_view_host_manager_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/utf_string_conversions.h"
 #include "content/browser/browser_thread_impl.h"
 #include "content/browser/mock_content_browser_client.h"
 #include "content/browser/renderer_host/test_render_view_host.h"
 #include "content/browser/site_instance_impl.h"
 #include "content/browser/web_contents/navigation_entry_impl.h"
@@ skipping 66 matching lines @@
   virtual bool UseWebUIForURL(BrowserContext* browser_context,
                               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 OVERRIDE {
+  virtual bool IsURLAcceptableForWebUI(
+      BrowserContext* browser_context,
+      const GURL& url,
+      bool data_urls_allowed) const OVERRIDE {
     return false;
   }
 
  private:
   bool should_create_webui_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewHostManagerTestWebUIControllerFactory);
 };
 
 class RenderViewHostManagerTestClient : public TestContentClient {
@@ skipping 664 matching lines @@
 
   // We should be able to navigate forward.
   contents()->GetController().GoForward();
   contents()->ProceedWithCrossSiteNavigation();
   const NavigationEntry* entry2 = contents()->GetController().GetPendingEntry();
   rvh2->SendNavigate(entry2->GetPageID(), entry2->GetURL());
   EXPECT_EQ(rvh2, rvh());
   EXPECT_FALSE(rvh2->is_swapped_out());
   EXPECT_TRUE(rvh1->is_swapped_out());
 }