Expand recognized type trait value types from bool-or-enum to builtin-or-enum.

tools/clang/rewrite_to_chrome_style/tests/fields-expected.cc

 // Copyright 2015 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.
 
 namespace blink {
 
 // Note: do not add any copy or move constructors to this class: doing so will
 // break test coverage that we don't clobber the class name by trying to emit
 // replacements for synthesized functions.
 class C {
@@ skipping 135 matching lines @@
 };
 
 template <typename T>
 struct GenericHashTraitsBase {
   // We don't want to capitalize fields in type traits
   // (i.e. the |value| -> |kValue| rename is undesirable below).
   // This problem is prevented by IsCallee heuristic.
   static const int kWeakHandlingFlag = TypeTrait2<T>::value ? 123 : 456;
 };
 
+template <int Format>
+struct IntermediateFormat {
+  // Some type traits have int type.  Example below is loosely based on
+  // third_party/WebKit/Source/platform/graphics/gpu/WebGLImageConversion.cpp
+  static const int value = (Format == 123) ? 456 : 789;
+};
+
 };  // namespace WTF
 
 void F() {
   // Test that references to a static field are correctly rewritten.
   blink::C::instance_count_++;
   // Force instantiation of a copy constructor for blink::C to make sure field
   // initializers for synthesized functions don't cause weird rewrites.
   blink::C c;
   blink::C c2 = c;
 
   bool b1 = WTF::TypeTrait1::value;
   bool b2 = WTF::TypeTrait2<void>::value;
 }