Hook up the RenderThread's IPC ChannelProxy to the RendererScheduler.

Ensure tasks posted by the RenderThread's IPC ChannelProxy go through the
RenderScheduler's DefaultTaskRunner.

BUG=432129

Review URL: https://codereview.chromium.org/804073002

Cr-Commit-Position: refs/heads/master@{#308905}

1 files changed, 8 insertions, 0 deletions

diff --git a/ipc/ipc_channel_proxy.h b/ipc/ipc_channel_proxy.h
index 9ef8bf3..a660aeb 100644
--- a/ipc/ipc_channel_proxy.h
+++ b/ipc/ipc_channel_proxy.h
@@ -112,6 +112,12 @@ class IPC_EXPORT ChannelProxy : public Sender, public base::NonThreadSafe {
   void AddFilter(MessageFilter* filter);
   void RemoveFilter(MessageFilter* filter);
 
+  // Set the task runner on which dispatched messages are posted. Both the new
+  // task runner and the existing task runner must run on the same thread, and
+  // must belong to the calling thread.
+  void SetListenerTaskRunner(
+    scoped_refptr<base::SingleThreadTaskRunner> listener_task_runner);
+
   // Called to clear the pointer to the IPC task runner when it's going away.
   void ClearIPCTaskRunner();
 
@@ -142,6 +148,8 @@ class IPC_EXPORT ChannelProxy : public Sender, public base::NonThreadSafe {
     Context(Listener* listener,
             const scoped_refptr<base::SingleThreadTaskRunner>& ipc_thread);
     void ClearIPCTaskRunner();
+    void SetListenerTaskRunner(
+      scoped_refptr<base::SingleThreadTaskRunner> listener_task_runner);
     base::SingleThreadTaskRunner* ipc_task_runner() const {
       return ipc_task_runner_.get();
     }