cc: Add DEFINE_ENUM macro.

cc/resources/tile_priority.cc

 // Copyright 2012 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/tile_priority.h"
 
 #include "base/values.h"
 #include "cc/base/math_util.h"
 
 namespace {
@@ skipping 50 matching lines @@
 namespace cc {
 
 scoped_ptr<base::Value> WhichTreeAsValue(WhichTree tree) {
   switch (tree) {
   case ACTIVE_TREE:
       return scoped_ptr<base::Value>(base::Value::CreateStringValue(
           "ACTIVE_TREE"));
   case PENDING_TREE:
       return scoped_ptr<base::Value>(base::Value::CreateStringValue(
           "PENDING_TREE"));
-  default:
-      DCHECK(false) << "Unrecognized WhichTree value " << tree;
-      return scoped_ptr<base::Value>(base::Value::CreateStringValue(
-          "<unknown WhichTree value>"));
   }
+  DCHECK(false) << "Unrecognized WhichTree value " << tree;
+  return scoped_ptr<base::Value>(base::Value::CreateStringValue(
+      "<unknown WhichTree value>"));
 }
 
 scoped_ptr<base::Value> TileResolutionAsValue(
     TileResolution resolution) {
   switch (resolution) {
   case LOW_RESOLUTION:
     return scoped_ptr<base::Value>(base::Value::CreateStringValue(
         "LOW_RESOLUTION"));
   case HIGH_RESOLUTION:
     return scoped_ptr<base::Value>(base::Value::CreateStringValue(
@@ skipping 64 matching lines @@
           "ALLOW_NOTHING"));
   case ALLOW_ABSOLUTE_MINIMUM:
       return scoped_ptr<base::Value>(base::Value::CreateStringValue(
           "ALLOW_ABSOLUTE_MINIMUM"));
   case ALLOW_PREPAINT_ONLY:
       return scoped_ptr<base::Value>(base::Value::CreateStringValue(
           "ALLOW_PREPAINT_ONLY"));
   case ALLOW_ANYTHING:
       return scoped_ptr<base::Value>(base::Value::CreateStringValue(
           "ALLOW_ANYTHING"));
-  default:
-      DCHECK(false) << "Unrecognized policy value";
-      return scoped_ptr<base::Value>(base::Value::CreateStringValue(
-          "<unknown>"));
   }
+  DCHECK(false) << "Unrecognized policy value";
+  return scoped_ptr<base::Value>(base::Value::CreateStringValue(
+      "<unknown>"));
 }
 
 scoped_ptr<base::Value> TreePriorityAsValue(TreePriority prio) {
   switch (prio) {
   case SAME_PRIORITY_FOR_BOTH_TREES:
       return scoped_ptr<base::Value>(base::Value::CreateStringValue(
           "SAME_PRIORITY_FOR_BOTH_TREES"));
   case SMOOTHNESS_TAKES_PRIORITY:
       return scoped_ptr<base::Value>(base::Value::CreateStringValue(
           "SMOOTHNESS_TAKES_PRIORITY"));
@@ skipping 12 matching lines @@
              TileMemoryLimitPolicyAsValue(memory_limit_policy).release());
   state->SetInteger("memory_limit_in_bytes", memory_limit_in_bytes);
   state->SetInteger("unused_memory_limit_in_bytes",
                     unused_memory_limit_in_bytes);
   state->SetInteger("num_resources_limit", num_resources_limit);
   state->Set("tree_priority", TreePriorityAsValue(tree_priority).release());
   return state.PassAs<base::Value>();
 }
 
 }  // namespace cc