Remove unused V8 integration code in Sky

sky/engine/bindings/core/v8/V8PerIsolateData.h

Index: sky/engine/bindings/core/v8/V8PerIsolateData.h
diff --git a/sky/engine/bindings/core/v8/V8PerIsolateData.h b/sky/engine/bindings/core/v8/V8PerIsolateData.h
deleted file mode 100644
index 8c6a090f3f029f1634d9bdaeb57ec4d9124025ca..0000000000000000000000000000000000000000
--- a/sky/engine/bindings/core/v8/V8PerIsolateData.h
+++ /dev/null
@@ -1,137 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. 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 with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef SKY_ENGINE_BINDINGS_CORE_V8_V8PERISOLATEDATA_H_
-#define SKY_ENGINE_BINDINGS_CORE_V8_V8PERISOLATEDATA_H_
-
-#include "gin/public/gin_embedders.h"
-#include "gin/public/isolate_holder.h"
-#include "sky/engine/bindings/core/v8/ScopedPersistent.h"
-#include "sky/engine/bindings/core/v8/ScriptState.h"
-#include "sky/engine/bindings/core/v8/V8HiddenValue.h"
-#include "sky/engine/bindings/core/v8/WrapperTypeInfo.h"
-#include "sky/engine/wtf/Forward.h"
-#include "sky/engine/wtf/HashMap.h"
-#include "sky/engine/wtf/OwnPtr.h"
-#include "sky/engine/wtf/Vector.h"
-#include "v8/include/v8.h"
-
-namespace blink {
-
-class DOMDataStore;
-class GCEventData;
-class StringCache;
-struct WrapperTypeInfo;
-
-class ExternalStringVisitor;
-
-typedef WTF::Vector<DOMDataStore*> DOMDataStoreList;
-
-class V8PerIsolateData {
-public:
-    static v8::Isolate* initialize();
-    static V8PerIsolateData* from(v8::Isolate* isolate)
-    {
-        ASSERT(isolate);
-        ASSERT(isolate->GetData(gin::kEmbedderBlink));
-        return static_cast<V8PerIsolateData*>(isolate->GetData(gin::kEmbedderBlink));
-    }
-    static void dispose(v8::Isolate*);
-    static v8::Isolate* mainThreadIsolate();
-
-    v8::Isolate* isolate() { return m_isolateHolder->isolate(); }
-
-    v8::Handle<v8::FunctionTemplate> toStringTemplate();
-
-    StringCache* stringCache() { return m_stringCache.get(); }
-
-    v8::Persistent<v8::Value>& ensureLiveRoot();
-
-    int recursionLevel() const { return m_recursionLevel; }
-    int incrementRecursionLevel() { return ++m_recursionLevel; }
-    int decrementRecursionLevel() { return --m_recursionLevel; }
-    bool isHandlingRecursionLevelError() const { return m_isHandlingRecursionLevelError; }
-    void setIsHandlingRecursionLevelError(bool value) { m_isHandlingRecursionLevelError = value; }
-
-    bool performingMicrotaskCheckpoint() const { return m_performingMicrotaskCheckpoint; }
-    void setPerformingMicrotaskCheckpoint(bool performingMicrotaskCheckpoint) { m_performingMicrotaskCheckpoint = performingMicrotaskCheckpoint; }
-
-#if ENABLE(ASSERT)
-    int internalScriptRecursionLevel() const { return m_internalScriptRecursionLevel; }
-    int incrementInternalScriptRecursionLevel() { return ++m_internalScriptRecursionLevel; }
-    int decrementInternalScriptRecursionLevel() { return --m_internalScriptRecursionLevel; }
-#endif
-
-    GCEventData* gcEventData() { return m_gcEventData.get(); }
-    V8HiddenValue* hiddenValue() { return m_hiddenValue.get(); }
-
-    v8::Handle<v8::FunctionTemplate> domTemplate(void* domTemplateKey, v8::FunctionCallback = 0, v8::Handle<v8::Value> data = v8::Handle<v8::Value>(), v8::Handle<v8::Signature> = v8::Handle<v8::Signature>(), int length = 0);
-    v8::Handle<v8::FunctionTemplate> existingDOMTemplate(void* domTemplateKey);
-    void setDOMTemplate(void* domTemplateKey, v8::Handle<v8::FunctionTemplate>);
-
-    bool hasInstance(const WrapperTypeInfo*, v8::Handle<v8::Value>);
-    v8::Handle<v8::Object> findInstanceInPrototypeChain(const WrapperTypeInfo*, v8::Handle<v8::Value>);
-
-    v8::Local<v8::Context> ensureScriptRegexpContext();
-
-    const char* previousSamplingState() const { return m_previousSamplingState; }
-    void setPreviousSamplingState(const char* name) { m_previousSamplingState = name; }
-
-private:
-    V8PerIsolateData();
-    ~V8PerIsolateData();
-
-    typedef HashMap<const void*, v8::Eternal<v8::FunctionTemplate> > DOMTemplateMap;
-    DOMTemplateMap& currentDOMTemplateMap();
-    bool hasInstance(const WrapperTypeInfo*, v8::Handle<v8::Value>, DOMTemplateMap&);
-    v8::Handle<v8::Object> findInstanceInPrototypeChain(const WrapperTypeInfo*, v8::Handle<v8::Value>, DOMTemplateMap&);
-
-    OwnPtr<gin::IsolateHolder> m_isolateHolder;
-    DOMTemplateMap m_domTemplateMapForMainWorld;
-    DOMTemplateMap m_domTemplateMapForNonMainWorld;
-    ScopedPersistent<v8::FunctionTemplate> m_toStringTemplate;
-    OwnPtr<StringCache> m_stringCache;
-    OwnPtr<V8HiddenValue> m_hiddenValue;
-    ScopedPersistent<v8::Value> m_liveRoot;
-    RefPtr<ScriptState> m_scriptRegexpScriptState;
-
-    const char* m_previousSamplingState;
-
-    bool m_constructorMode;
-    friend class ConstructorMode;
-
-    int m_recursionLevel;
-    bool m_isHandlingRecursionLevelError;
-
-#if ENABLE(ASSERT)
-    int m_internalScriptRecursionLevel;
-#endif
-    OwnPtr<GCEventData> m_gcEventData;
-    bool m_performingMicrotaskCheckpoint;
-};
-
-} // namespace blink
-
-#endif  // SKY_ENGINE_BINDINGS_CORE_V8_V8PERISOLATEDATA_H_