cc: Add more DrawSwapReadbackResult enums

cc/scheduler/scheduler_state_machine.cc

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/scheduler/scheduler_state_machine.h"
 
 #include "base/debug/trace_event.h"
 #include "base/format_macros.h"
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
@@ skipping 1020 matching lines @@
     bool smoothness_takes_priority) {
   smoothness_takes_priority_ = smoothness_takes_priority;
 }
 
 void SchedulerStateMachine::DidDrawIfPossibleCompleted(
     DrawSwapReadbackResult::DrawResult result) {
   switch (result) {
     case DrawSwapReadbackResult::INVALID_RESULT:
       NOTREACHED() << "Uninitialized DrawSwapReadbackResult.";
       break;
+    case DrawSwapReadbackResult::DRAW_ABORTED_CANT_DRAW:
+    case DrawSwapReadbackResult::DRAW_ABORTED_CANT_READBACK:
+    case DrawSwapReadbackResult::DRAW_ABORTED_CONTEXT_LOST:
+      NOTREACHED() << "Invalid return value from DrawAndSwapIfPossible:"
+                   << result;
+      break;
     case DrawSwapReadbackResult::DRAW_SUCCESS:
       consecutive_checkerboard_animations_ = 0;
       forced_redraw_state_ = FORCED_REDRAW_STATE_IDLE;
       break;
     case DrawSwapReadbackResult::DRAW_ABORTED_CHECKERBOARD_ANIMATIONS:
       needs_redraw_ = true;
 
       // If we're already in the middle of a redraw, we don't need to
       // restart it.
       if (forced_redraw_state_ != FORCED_REDRAW_STATE_IDLE)
@@ skipping 100 matching lines @@
     case OUTPUT_SURFACE_ACTIVE:
     case OUTPUT_SURFACE_WAITING_FOR_FIRST_COMMIT:
     case OUTPUT_SURFACE_WAITING_FOR_FIRST_ACTIVATION:
       return true;
   }
   NOTREACHED();
   return false;
 }
 
 }  // namespace cc