Make Document::isSecureContext() work for OOPIFs

content/common/frame_messages.h

Index: content/common/frame_messages.h
diff --git a/content/common/frame_messages.h b/content/common/frame_messages.h
index ec76ea6950d62b451a19389e8e6763731af5b312..f54df2eedd1e14e8794d69ba51023e743501cbbf 100644
--- a/content/common/frame_messages.h
+++ b/content/common/frame_messages.h
@@ -288,6 +288,10 @@ IPC_STRUCT_BEGIN_WITH_PARENT(FrameHostMsg_DidCommitProvisionalLoad_Params,
   // checking.
   IPC_STRUCT_MEMBER(bool, should_enforce_strict_mixed_content_checking)
 
+  // True if the document for the load is a unique origin that should be
+  // considered potentially trustworthy.
+  IPC_STRUCT_MEMBER(bool, has_potentially_trustworthy_unique_origin)
+
   // True if the navigation originated as an srcdoc attribute.
   IPC_STRUCT_MEMBER(bool, is_srcdoc)
 IPC_STRUCT_END()
@@ -381,6 +385,7 @@ IPC_STRUCT_TRAITS_BEGIN(content::FrameReplicationState)
   IPC_STRUCT_TRAITS_MEMBER(unique_name)
   IPC_STRUCT_TRAITS_MEMBER(scope)
   IPC_STRUCT_TRAITS_MEMBER(should_enforce_strict_mixed_content_checking)
+  IPC_STRUCT_TRAITS_MEMBER(has_potentially_trustworthy_unique_origin)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_BEGIN(FrameMsg_NewFrame_WidgetParams)
@@ -766,7 +771,9 @@ IPC_MESSAGE_ROUTED1(FrameMsg_EnforceStrictMixedContentChecking,
 
 // Update a proxy's replicated origin.  Used when the frame is navigated to a
 // new origin.
-IPC_MESSAGE_ROUTED1(FrameMsg_DidUpdateOrigin, url::Origin /* origin */)
+IPC_MESSAGE_ROUTED2(FrameMsg_DidUpdateOrigin,
+                    url::Origin /* origin */,
+                    bool /* is potentially trustworthy unique origin */)
 
 // Notifies this frame or proxy that it is now focused.  This is used to
 // support cross-process focused frame changes.
@@ -949,6 +956,10 @@ IPC_MESSAGE_ROUTED2(FrameHostMsg_DidChangeName,
 // checking to be enforced.
 IPC_MESSAGE_ROUTED0(FrameHostMsg_EnforceStrictMixedContentChecking)
 
+// Sent when the frame is set to a unique origin.

[alexmos, 2016/03/15 06:44:34]

nit: consider expanding this comment a bit to explain why this IPC is needed,
that it's temporary, and give a link to the bug you filed.

[estark, 2016/03/16 20:02:52]

Done.

+IPC_MESSAGE_ROUTED1(FrameHostMsg_UpdateToUniqueOrigin,
+                    bool /* is potentially trustworthy unique origin */)
+
 // Sent when the renderer changed the progress of a load.
 IPC_MESSAGE_ROUTED1(FrameHostMsg_DidChangeLoadProgress,
                     double /* load_progress */)