Mojo: Correctly handle large unsigned integer literals.

mojo/public/interfaces/bindings/tests/sample_service.mojom

 // 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.
 
 import "sample_import.mojom"
 import "sample_import2.mojom"
 
 [JavaPackage="org.chromium.mojo.bindings.test.mojom.sample"]
 module sample {
 
 const uint8 kTwelve = 12;
+const uint64 kTooBigForSignedInt64 = 9999999999999999999;
 
 struct Bar {
   enum Type {
     TYPE_VERTICAL = 1,
     TYPE_HORIZONTAL,
     TYPE_BOTH,
     TYPE_INVALID
   };
   uint8 alpha@0 = 0xff;
   uint8 beta@1;
@@ skipping 20 matching lines @@
   string[][][] multi_array_of_strings@13;
   bool[] array_of_bools@14;
 };
 
 struct DefaultsTest {
   int8 a0@0 = -12;
   uint8 a1@1 = sample.kTwelve;
   int16 a2@2 = 1234;
   uint16 a3@3 = 34567;
   int32 a4@4 = 123456;
-  // TODO(vtl): crbug.com/375522
-  uint32 a5@5 /* = 3456789012 */;
+  uint32 a5@5 = 3456789012;
   int64 a6@6 = 111111111111;
-  // TODO(vtl): crbug.com/375522
-  uint64 a7@7 /* = 9999999999999999999 */;
+  uint64 a7@7 = 9999999999999999999;
   int32 a8@8 = 0x12345;
   int32 a9@9 = -0x12345;
   int32 a10@10 = +1234;
   bool a11@11 = true;
   bool a12@12 = false;
   float a13@13 = 123.25;
   double a14@14 = 1234567890.123;
   double a15@15 = 1E10;
   double a16@16 = -1.2E+20;
   double a17@17 = +1.23E-20;
@@ skipping 34 matching lines @@
   DidFrobinate@0(int32 result@0);
 };
 
 // This interface is referenced above where it is defined. It also refers to
 // itself from a method.
 interface Port {
   PostMessage@0(string message_text@0, Port port@1);
 };
 
 }