Moving GraphicsContext and dependencies from core to platform.

Source/core/platform/graphics/gpu/SharedGraphicsContext3D.cpp

Index: Source/core/platform/graphics/gpu/SharedGraphicsContext3D.cpp
diff --git a/Source/core/platform/graphics/gpu/SharedGraphicsContext3D.cpp b/Source/core/platform/graphics/gpu/SharedGraphicsContext3D.cpp
deleted file mode 100644
index 0791e6c75b4585a7f9758c925b97b48bdf2ebbd0..0000000000000000000000000000000000000000
--- a/Source/core/platform/graphics/gpu/SharedGraphicsContext3D.cpp
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * Copyright (C) 2011 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 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 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.
- */
-
-
-#include "config.h"
-
-#include "core/platform/graphics/gpu/SharedGraphicsContext3D.h"
-
-#include "core/platform/graphics/Extensions3D.h"
-#include "public/platform/Platform.h"
-#include "public/platform/WebGraphicsContext3D.h"
-#include "public/platform/WebGraphicsContext3DProvider.h"
-#include "wtf/MainThread.h"
-
-namespace WebCore {
-
-class SharedGraphicsContext3DImpl {
-public:
-    SharedGraphicsContext3DImpl() : m_context(0) { }
-
-    PassRefPtr<GraphicsContext3D> getOrCreateContext()
-    {
-        bool wasCreated = false;
-
-        OwnPtr<blink::WebGraphicsContext3DProvider> provider = adoptPtr(blink::Platform::current()->createSharedOffscreenGraphicsContext3DProvider());
-
-        blink::WebGraphicsContext3D* webContext = 0;
-        GrContext* grContext = 0;
-
-        if (provider) {
-            webContext = provider->context3d();
-            grContext = provider->grContext();
-        }
-
-        if (webContext && grContext) {
-            blink::WebGraphicsContext3D* oldWebContext = m_context ? m_context->webContext() : 0;
-            GrContext* oldGrContext = m_context ? m_context->grContext() : 0;
-            if (webContext != oldWebContext || grContext != oldGrContext)
-                m_context.clear();
-
-            if (!m_context) {
-                m_context = GraphicsContext3D::createGraphicsContextFromProvider(provider.release());
-                wasCreated = true;
-            }
-        }
-
-        if (m_context && wasCreated)
-            m_context->extensions()->pushGroupMarkerEXT("SharedGraphicsContext");
-        return m_context;
-    }
-
-private:
-    RefPtr<GraphicsContext3D> m_context;
-};
-
-PassRefPtr<GraphicsContext3D> SharedGraphicsContext3D::get()
-{
-    DEFINE_STATIC_LOCAL(SharedGraphicsContext3DImpl, impl, ());
-    return impl.getOrCreateContext();
-}
-
-}  // namespace WebCore
-