OOPIF: Replicate dynamic window.name updates.

This CL adds the plumbing to replicate window.name updates to the
associated RenderFrameProxies.  This consists of:
- sending a FrameHostMsg_DidChangeName to the browser process whenever
  there's a window.name update in JS
- recording the changed name in the frame's FrameReplicationState
- forwarding the updated name to any of the frame's proxies in other
  renderer processes via FrameMsg_DidUpdateName.

This is a Chromium-only patch since the plumbing for getting
window.name notifications out of Blink was already in place and used
in <webview>.  <webview>'s Chromium-side window.name code is
refactored to use the new plumbing in this CL.

BUG= 426512

Review URL: https://codereview.chromium.org/974723002

Cr-Commit-Position: refs/heads/master@{#319823}

1 files changed, 0 insertions, 5 deletions

diff --git a/extensions/common/extension_messages.h b/extensions/common/extension_messages.h
index 232167c..1cd55b6 100644
--- a/extensions/common/extension_messages.h
+++ b/extensions/common/extension_messages.h
@@ -770,11 +770,6 @@ IPC_MESSAGE_ROUTED1(ExtensionHostMsg_OnWatchedPageChange,
 IPC_MESSAGE_CONTROL1(ExtensionHostMsg_TransferBlobsAck,
                      std::vector<std::string> /* blob_uuids */)
 
-// Informs of updated frame names.
-IPC_MESSAGE_ROUTED2(ExtensionHostMsg_FrameNameChanged,
-                    bool /* is_top_level */,
-                    std::string /* name */)
-
 // Tells listeners that a detailed message was reported to the console by
 // WebKit.
 IPC_MESSAGE_ROUTED4(ExtensionHostMsg_DetailedConsoleMessageAdded,