Switch to static_assert.

components/html_viewer/blink_basic_type_converters.cc

 // Copyright 2014 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 "components/html_viewer/blink_basic_type_converters.h"
 
 #include "mojo/public/cpp/bindings/string.h"
 #include "third_party/WebKit/public/platform/WebRect.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 
 using blink::WebRect;
 using blink::WebString;
 
 namespace mojo {
 
 // static
 String TypeConverter<String, WebString>::Convert(const WebString& str) {
   return String(str.utf8());
 }
 
 // static
 WebString TypeConverter<WebString, String>::Convert(const String& str) {
   return WebString::fromUTF8(str.get());
 }
 
 // static
 WebString TypeConverter<WebString, Array<uint8_t>>::Convert(
     const Array<uint8_t>& input) {
-  COMPILE_ASSERT(sizeof(uint8_t) == sizeof(char),
-                 uint8_t_same_size_as_unsigned_char);
+  static_assert(sizeof(uint8_t) == sizeof(char),
+                "uint8_t must be the same size as a char");
   return input.is_null()
              ? WebString()
              : WebString::fromUTF8(
                    reinterpret_cast<const char*>(&input.front()), input.size());
 }
 
 // static
 RectPtr TypeConverter<RectPtr, WebRect>::Convert(const WebRect& input) {
   RectPtr result(Rect::New());
   result->x = input.x;
   result->y = input.y;
   result->width = input.width;
   result->height = input.height;
   return result.Pass();
 };
 
 // static
 Array<uint8_t> TypeConverter<Array<uint8_t>, WebString>::Convert(
     const WebString& input) {
   if (input.isNull())
     return Array<uint8_t>();
   const std::string utf8 = input.utf8();
   Array<uint8_t> result(utf8.size());
-  COMPILE_ASSERT(sizeof(uint8_t) == sizeof(char),
-                 uint8_t_same_size_as_unsigned_char);
+  static_assert(sizeof(uint8_t) == sizeof(char),
+                "uint8_t must be the same size as an unsigned char");
   memcpy(&result.front(), utf8.data(), utf8.size());
   return result.Pass();
 }
 
 }  // namespace mojo