Remove bindings-dart

sky/engine/bindings-dart/core/dart/DartStringCache.cpp

Index: sky/engine/bindings-dart/core/dart/DartStringCache.cpp
diff --git a/sky/engine/bindings-dart/core/dart/DartStringCache.cpp b/sky/engine/bindings-dart/core/dart/DartStringCache.cpp
deleted file mode 100644
index 81bb378073a1b923e30fa53be7b176384b6367fd..0000000000000000000000000000000000000000
--- a/sky/engine/bindings-dart/core/dart/DartStringCache.cpp
+++ /dev/null
@@ -1,103 +0,0 @@
-// Copyright 2012, 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:
-//
-//    * 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 with the
-// distribution.
-//    * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
-// OWNER OR 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.
-
-#include "config.h"
-#include "bindings/core/dart/DartStringCache.h"
-
-#include "bindings/core/dart/DartDOMData.h"
-#include "bindings/core/dart/DartUtilities.h"
-
-namespace blink {
-
-DartStringCache::DartStringCache()
-{
-    m_lastStringImpl = nullptr;
-    m_lastDartString = 0;
-}
-
-void DartStringCache::clearWeakHandles()
-{
-    Dart_Isolate isolate = Dart_CurrentIsolate();
-    for (StringCache::iterator it = m_stringCache.begin(); it != m_stringCache.end(); ++it) {
-        it->key->deref();
-        Dart_DeleteWeakPersistentHandle(isolate, it->value);
-    }
-    m_stringCache.clear();
-    m_lastStringImpl = nullptr;
-    m_lastDartString = 0;
-}
-
-Dart_WeakPersistentHandle DartStringCache::getSlow(StringImpl* stringImpl, bool autoDartScope)
-{
-    ASSERT(stringImpl);
-
-    Dart_WeakPersistentHandle cachedString = m_stringCache.get(stringImpl);
-    if (cachedString) {
-        m_lastStringImpl = stringImpl;
-        m_lastDartString = cachedString;
-        return cachedString;
-    }
-
-    if (!autoDartScope)
-        Dart_EnterScope();
-
-    ASSERT(stringImpl);
-    Dart_Handle newString = DartUtilities::stringImplToDartString(stringImpl);
-    ASSERT(!Dart_IsError(newString));
-
-    intptr_t peerSize = stringImpl->sizeInBytes();
-    Dart_WeakPersistentHandle wrapper = Dart_NewWeakPersistentHandle(newString, stringImpl, peerSize, handleFinalizer);
-
-    stringImpl->ref();
-    m_stringCache.set(stringImpl, wrapper);
-
-    m_lastStringImpl = stringImpl;
-    m_lastDartString = wrapper;
-
-    if (!autoDartScope)
-        Dart_ExitScope();
-
-    return wrapper;
-}
-
-void DartStringCache::handleFinalizer(void* isolateCallbackData, Dart_WeakPersistentHandle handle, void* peer)
-{
-    StringImpl* stringImpl = reinterpret_cast<StringImpl*>(peer);
-    DartDOMData* domData = reinterpret_cast<DartDOMData*>(isolateCallbackData);
-    DartStringCache& stringCache = domData->stringCache();
-    Dart_WeakPersistentHandle ALLOW_UNUSED cached = stringCache.m_stringCache.take(stringImpl);
-    ASSERT(handle == cached);
-    if (stringCache.m_lastDartString == handle) {
-        stringCache.m_lastStringImpl = nullptr;
-        stringCache.m_lastDartString = 0;
-    }
-    stringImpl->deref();
-}
-
-}