Add hash fields to code cache header.

test/cctest/test-api.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 21747 matching lines @@
 
   // Running the script exposes the error.
   v8::Handle<Value> result(script->Run());
   CHECK(result.IsEmpty());
   CHECK(try_catch.HasCaught());
   delete[] full_source;
 }
 
 
 void TestInvalidCacheData(v8::ScriptCompiler::CompileOptions option) {
-  const char* garbage = "garbage garbage garbage garbage.";
+  const char* garbage = "garbage garbage garbage garbage garbage garbage";
   const uint8_t* data = reinterpret_cast<const uint8_t*>(garbage);
   int length = 16;
   v8::ScriptCompiler::CachedData* cached_data =
       new v8::ScriptCompiler::CachedData(data, length);
   DCHECK(!cached_data->rejected);
   v8::ScriptOrigin origin(v8_str("origin"));
   v8::ScriptCompiler::Source source(v8_str("42"), origin, cached_data);
   v8::Handle<v8::Script> script =
       v8::ScriptCompiler::Compile(CcTest::isolate(), &source, option);
   CHECK(cached_data->rejected);
@@ skipping 198 matching lines @@
                    "bar2.js");
 }
 
 
 TEST(StreamingScriptWithSourceMappingURLInTheMiddle) {
   const char* chunks[] = {"function foo() { ret", "urn 13; }\n//#",
                           " sourceMappingURL=bar2.js\n", "foo();", NULL};
   RunStreamingTest(chunks, v8::ScriptCompiler::StreamedSource::UTF8, true, NULL,
                    "bar2.js");
 }