cc: Split ThreadProxy into ProxyMain and ProxyImpl

cc/scheduler/scheduler_state_machine_unittest.cc

Index: cc/scheduler/scheduler_state_machine_unittest.cc
diff --git a/cc/scheduler/scheduler_state_machine_unittest.cc b/cc/scheduler/scheduler_state_machine_unittest.cc
index 90c126a42becf09797517414f12ef1ba504c218e..743671313fd915fb304e4d93b2d8a86609b92967 100644
--- a/cc/scheduler/scheduler_state_machine_unittest.cc
+++ b/cc/scheduler/scheduler_state_machine_unittest.cc
@@ -1213,7 +1213,7 @@ TEST(SchedulerStateMachineTest, TestNoRequestOutputSurfaceWhenInvisible) {
       SchedulerStateMachine::ACTION_BEGIN_OUTPUT_SURFACE_CREATION);
 }
 
-// See ThreadProxy::BeginMainFrame "EarlyOut_NotVisible" /
+// See ProxyMain::BeginMainFrame "EarlyOut_NotVisible" /
 // "EarlyOut_OutputSurfaceLost" cases.
 TEST(SchedulerStateMachineTest, TestAbortBeginMainFrameBecauseInvisible) {
   SchedulerSettings default_scheduler_settings;
@@ -1267,7 +1267,7 @@ TEST(SchedulerStateMachineTest, TestAbortBeginMainFrameBecauseInvisible) {
   EXPECT_ACTION_UPDATE_STATE(SchedulerStateMachine::ACTION_NONE);
 }
 
-// See ThreadProxy::BeginMainFrame "EarlyOut_NoUpdates" case.
+// See ProxyMain::BeginMainFrame "EarlyOut_NoUpdates" case.
 TEST(SchedulerStateMachineTest, TestAbortBeginMainFrameBecauseCommitNotNeeded) {
   SchedulerSettings default_scheduler_settings;
   StateMachine state(default_scheduler_settings);