Optionally compress V8 code cache data with snappy.

Source/bindings/core/v8/ScriptStreamer.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/ScriptStreamer.h"
 
 #include "bindings/core/v8/ScriptStreamerThread.h"
 #include "bindings/core/v8/V8ScriptRunner.h"
 #include "core/dom/Document.h"
@@ skipping 527 matching lines @@
     // to arrive. In general, the web servers don't seem to send the
     // Content-Length HTTP header for scripts.
 
     if (!scriptState->contextIsValid())
         return false;
 
     // Decide what kind of cached data we should produce while streaming. By
     // default, we generate the parser cache for streamed scripts, to emulate
     // the non-streaming behavior (see V8ScriptRunner::compileScript).
     v8::ScriptCompiler::CompileOptions compileOption = v8::ScriptCompiler::kProduceParserCache;
-    if (settings->v8CacheOptions() == V8CacheOptionsCode)
+    if (settings->v8CacheOptions() == V8CacheOptionsCode || settings->v8CacheOptions() == V8CacheOptionsCodeCompressed)
         compileOption = v8::ScriptCompiler::kProduceCodeCache;
 
     // The Resource might go out of scope if the script is no longer
     // needed. This makes PendingScript notify the ScriptStreamer when it is
     // destroyed.
     script.setStreamer(adoptRef(new ScriptStreamer(resource, scriptType, settings->v8ScriptStreamingMode(), scriptState, compileOption)));
 
     return true;
 }
 
 } // namespace blink