Allow huge data: URIs only via WebView.loadDataWithBaseUrl

content/browser/frame_host/navigation_entry_impl.cc

Index: content/browser/frame_host/navigation_entry_impl.cc
diff --git a/content/browser/frame_host/navigation_entry_impl.cc b/content/browser/frame_host/navigation_entry_impl.cc
index dae19c67fbda7974956284bb78ffc7c9001ad03e..7164d023fc1268c717ab18189b8a7a59c5442d33 100644
--- a/content/browser/frame_host/navigation_entry_impl.cc
+++ b/content/browser/frame_host/navigation_entry_impl.cc
@@ -211,6 +211,14 @@ const GURL& NavigationEntryImpl::GetBaseURLForDataURL() const {
   return base_url_for_data_url_;
 }
 
+void NavigationEntryImpl::SetDataURLAsString(const std::string& url) {
+  data_url_as_string_ = url;
+}
+
+const std::string& NavigationEntryImpl::GetDataURLAsString() const {
+  return data_url_as_string_;
+}
+
 void NavigationEntryImpl::SetReferrer(const Referrer& referrer) {
   frame_tree_->frame_entry->set_referrer(referrer);
 }
@@ -520,6 +528,7 @@ scoped_ptr<NavigationEntryImpl> NavigationEntryImpl::CloneAndReplace(
   copy->extra_headers_ = extra_headers_;
   // ResetForCommit: source_site_instance_
   copy->base_url_for_data_url_ = base_url_for_data_url_;
+  copy->data_url_as_string_ = data_url_as_string_;
   // ResetForCommit: is_renderer_initiated_
   copy->cached_display_title_ = cached_display_title_;
   // ResetForCommit: transferred_global_request_id_
@@ -552,8 +561,8 @@ CommonNavigationParams NavigationEntryImpl::ConstructCommonNavigationParams(
   return CommonNavigationParams(
       dest_url, dest_referrer, GetTransitionType(), navigation_type,
       !IsViewSourceMode(), should_replace_entry(), ui_timestamp, report_type,
-      GetBaseURLForDataURL(), GetHistoryURLForDataURL(), lofi_state,
-      navigation_start);
+      GetBaseURLForDataURL(), GetHistoryURLForDataURL(), GetDataURLAsString(),
+      lofi_state, navigation_start);
 }
 
 StartNavigationParams NavigationEntryImpl::ConstructStartNavigationParams()