Optionally compress V8 code cache data with snappy.

Source/bindings/core/v8/V8ScriptRunnerTest.cpp

 // 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 "config.h"
 #include "bindings/core/v8/V8ScriptRunner.h"
 
 #include "bindings/core/v8/V8Binding.h"
 #include "core/fetch/ScriptResource.h"
 #include "platform/heap/Handle.h"
@@ skipping 120 matching lines @@
 }
 
 TEST_F(V8ScriptRunnerTest, codeOptions)
 {
     setResource();
     EXPECT_TRUE(compileScript(V8CacheOptionsCode));
     EXPECT_FALSE(m_resource->cachedMetadata(tagForParserCache()));
 
     // FIXME: Code caching is presently still disabled.
     //        Enable EXPECT when code caching lands.
+    // EXPECT_TRUE(m_resource->cachedMetadata(tagForCodeCache(false)));
+}
+
+TEST_F(V8ScriptRunnerTest, codeCompressedOptions)
+{
+    setResource();
+    EXPECT_TRUE(compileScript(V8CacheOptionsCodeCompressed));
+    EXPECT_FALSE(m_resource->cachedMetadata(tagForParserCache()));
+
+    // FIXME: Code caching is presently still disabled.
+    //        Enable EXPECT when code caching lands.

[vogelheim, 2014/11/12 18:53:52]

Would there be any way for the test to verify that compression has indeed
occurred?

(In this form, the test doesn't really distinguish between code and
code-compressed.)

     // EXPECT_TRUE(m_resource->cachedMetadata(tagForCodeCache()));
 }
 
 } // namespace
 
 } // namespace blink