[Android] Send top-level data:// requests to the browser.

webkit/glue/weburlloader_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.
 
 // An implementation of WebURLLoader in terms of ResourceLoaderBridge.
 
 #include "webkit/glue/weburlloader_impl.h"
 
 #include "base/bind.h"
 #include "base/file_path.h"
@@ skipping 671 matching lines @@
   DCHECK(url.SchemeIs("data"));
 
   // Optimize for the case where we can handle a data URL locally.  We must
   // skip this for data URLs targetted at frames since those could trigger a
   // download.
   //
   // NOTE: We special case MIME types we can render both for performance
   // reasons as well as to support unit tests, which do not have an underlying
   // ResourceLoaderBridge implementation.
 
+#if defined(OS_ANDROID)
+  // For compatibility reasons on Android we need to expose top-level data://
+  // to the browser.
+  if (request_.targetType() == WebURLRequest::TargetIsMainFrame)
+    return false;
+#endif
+
   if (request_.targetType() != WebURLRequest::TargetIsMainFrame &&
       request_.targetType() != WebURLRequest::TargetIsSubframe)
     return true;
 
   std::string mime_type, unused_charset;
   if (net::DataURL::Parse(url, &mime_type, &unused_charset, NULL) &&
       net::IsSupportedMimeType(mime_type))
     return true;
 
   return false;
@@ skipping 66 matching lines @@
 
 void WebURLLoaderImpl::setDefersLoading(bool value) {
   context_->SetDefersLoading(value);
 }
 
 void WebURLLoaderImpl::UpdateRoutingId(int new_routing_id) {
   context_->UpdateRoutingId(new_routing_id);
 }
 
 }  // namespace webkit_glue