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 28f9b2ee737445cec291175534a4dc502cdabac4..a77fcf02e95dc6a4a47ee56ffb0b101c68839ce2 100644 |
--- a/content/browser/frame_host/navigation_entry_impl.cc |
+++ b/content/browser/frame_host/navigation_entry_impl.cc |
@@ -703,7 +703,7 @@ RequestNavigationParams NavigationEntryImpl::ConstructRequestNavigationParams( |
const FrameNavigationEntry& frame_entry, |
bool is_same_document_history_load, |
bool is_history_navigation_in_new_child, |
- const std::set<std::string>& subframe_unique_names, |
+ const std::map<std::string, bool>& subframe_unique_names, |
bool has_committed_real_load, |
bool intended_as_new_entry, |
int pending_history_list_offset, |
@@ -866,14 +866,34 @@ FrameNavigationEntry* NavigationEntryImpl::GetFrameEntry( |
return tree_node ? tree_node->frame_entry.get() : nullptr; |
} |
-std::set<std::string> NavigationEntryImpl::GetSubframeUniqueNames( |
+std::map<std::string, bool> NavigationEntryImpl::GetSubframeUniqueNames( |
FrameTreeNode* frame_tree_node) const { |
- std::set<std::string> names; |
+ std::map<std::string, bool> names; |
NavigationEntryImpl::TreeNode* tree_node = FindFrameEntry(frame_tree_node); |
if (tree_node) { |
// Return the names of all immediate children. |
- for (TreeNode* child : tree_node->children) |
- names.insert(child->frame_entry->frame_unique_name()); |
+ for (TreeNode* child : tree_node->children) { |
+ // Keep track of whether we would be loading about:blank, since the |
+ // renderer should be allowed to just commit the initial blank frame if |
+ // that was the default URL. PageState doesn't matter there, because |
+ // content injected into about:blank frames doesn't use it. |
+ // |
+ // Be careful not to include iframe srcdoc URLs in this check, which do |
+ // need their PageState. The committed URL in that case gets rewritten to |
+ // about:blank, but we can detect it via the PageState's URL. |
+ // |
+ // See https://crbug.com/657896 for details. |
+ bool is_about_blank = false; |
+ ExplodedPageState exploded_page_state; |
+ if (DecodePageState(child->frame_entry->page_state().ToEncodedData(), |
+ &exploded_page_state)) { |
+ ExplodedFrameState frame_state = exploded_page_state.top; |
+ if (UTF16ToUTF8(frame_state.url_string.string()) == url::kAboutBlankURL) |
alexmos
2016/10/21 18:22:10
Just out of curiousity - what is the frame_state.u
Charlie Reis
2016/10/21 18:31:46
about:srcdoc.
We rewrite all about: URLs to be ab
|
+ is_about_blank = true; |
+ } |
+ |
+ names[child->frame_entry->frame_unique_name()] = is_about_blank; |
+ } |
} |
return names; |
} |