cc: Rename TileManager::ManageTiles to PrepareTiles.

cc/scheduler/scheduler.cc

Index: cc/scheduler/scheduler.cc
diff --git a/cc/scheduler/scheduler.cc b/cc/scheduler/scheduler.cc
index 5a70ec694af0a7fee8433259ac5645540574298f..3e7653f086b205ad5a3d1206447560f2c174af9b 100644
--- a/cc/scheduler/scheduler.cc
+++ b/cc/scheduler/scheduler.cc
@@ -224,9 +224,9 @@ void Scheduler::SetNeedsAnimate() {
   ProcessScheduledActions();
 }
 
-void Scheduler::SetNeedsManageTiles() {
-  DCHECK(!IsInsideAction(SchedulerStateMachine::ACTION_MANAGE_TILES));
-  state_machine_.SetNeedsManageTiles();
+void Scheduler::SetNeedsPrepareTiles() {
+  DCHECK(!IsInsideAction(SchedulerStateMachine::ACTION_PREPARE_TILES));
+  state_machine_.SetNeedsPrepareTiles();
   ProcessScheduledActions();
 }
 
@@ -266,8 +266,8 @@ void Scheduler::BeginMainFrameAborted(bool did_handle) {
   ProcessScheduledActions();
 }
 
-void Scheduler::DidManageTiles() {
-  state_machine_.DidManageTiles();
+void Scheduler::DidPrepareTiles() {
+  state_machine_.DidPrepareTiles();
 }
 
 void Scheduler::DidLoseOutputSurface() {
@@ -711,8 +711,8 @@ void Scheduler::ProcessScheduledActions() {
       case SchedulerStateMachine::ACTION_BEGIN_OUTPUT_SURFACE_CREATION:
         client_->ScheduledActionBeginOutputSurfaceCreation();
         break;
-      case SchedulerStateMachine::ACTION_MANAGE_TILES:
-        client_->ScheduledActionManageTiles();
+      case SchedulerStateMachine::ACTION_PREPARE_TILES:
+        client_->ScheduledActionPrepareTiles();
         break;
     }
   } while (action != SchedulerStateMachine::ACTION_NONE);