Cleanup: Remove experimental V8 cache strategies that we discarded.

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 619 matching lines @@
     // downloads.
 
     if (!scriptState->contextIsValid()) {
         Platform::current()->histogramEnumeration(notStreamingReasonHistogramName(scriptType), ContextNotValid, NotStreamingReasonEnd);
         return false;
     }
 
     // Decide what kind of cached data we should produce while streaming. Only
     // produce parser cache if the non-streaming compile takes advantage of it.
     v8::ScriptCompiler::CompileOptions compileOption = v8::ScriptCompiler::kNoCompileOptions;
-    if (settings->v8CacheOptions() == V8CacheOptionsParseMemory || settings->v8CacheOptions() == V8CacheOptionsParse)
+    if (settings->v8CacheOptions() == V8CacheOptionsParse)
         compileOption = v8::ScriptCompiler::kProduceParserCache;
 
     // 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(ScriptStreamer::create(resource, scriptType, scriptState, compileOption));
 
     return true;
 }
 
 } // namespace blink