cc: Remove unnecessary "default" cases from switch statements.

cc/resources/managed_tile_state.cc

 // Copyright 2013 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/resources/managed_tile_state.h"
 
 #include <limits>
 
 #include "cc/base/math_util.h"
 
@@ skipping 69 matching lines @@
   DCHECK(!resource_);
 }
 
 bool ManagedTileState::TileVersion::IsReadyToDraw() const {
   switch (mode_) {
     case RESOURCE_MODE:
       return !!resource_;
     case SOLID_COLOR_MODE:
     case PICTURE_PILE_MODE:
       return true;
-    default:
-      NOTREACHED();
-      return false;
   }
+  NOTREACHED();
+  return false;
 }
 
 size_t ManagedTileState::TileVersion::GPUMemoryUsageInBytes() const {
   if (!resource_)
     return 0;
   return resource_->bytes();
 }
 
 ManagedTileState::~ManagedTileState() {
 }
@@ skipping 18 matching lines @@
   state->SetBoolean(
       "is_transparent",
       tile_versions[raster_mode].mode_ == TileVersion::SOLID_COLOR_MODE &&
           !SkColorGetA(tile_versions[raster_mode].solid_color_));
   state->SetInteger("scheduled_priority", scheduled_priority);
   return state.PassAs<base::Value>();
 }
 
 }  // namespace cc