Add rendering context and rendering 2D context to OffscreenCanvas

third_party/WebKit/Source/modules/offscreencanvas/OffscreenCanvasRenderingContext.cpp

Index: third_party/WebKit/Source/modules/offscreencanvas/OffscreenCanvasRenderingContext.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutThemeAndroid.cpp b/third_party/WebKit/Source/modules/offscreencanvas/OffscreenCanvasRenderingContext.cpp
similarity index 27%
copy from third_party/WebKit/Source/core/layout/LayoutThemeAndroid.cpp
copy to third_party/WebKit/Source/modules/offscreencanvas/OffscreenCanvasRenderingContext.cpp
index 59f5aa7b471615c91ea40714fe40292819ce04f9..5b3234c6150bb0b7f84e43a54fbbc6ad37891a83 100644
--- a/third_party/WebKit/Source/core/layout/LayoutThemeAndroid.cpp
+++ b/third_party/WebKit/Source/modules/offscreencanvas/OffscreenCanvasRenderingContext.cpp
@@ -2,23 +2,29 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "core/layout/LayoutThemeAndroid.h"
+#include "modules/offscreencanvas/OffscreenCanvasRenderingContext.h"
 
 namespace blink {
 
-PassRefPtr<LayoutTheme> LayoutThemeAndroid::create()
+OffscreenCanvasRenderingContext::OffscreenCanvasRenderingContext(OffscreenCanvas* canvas)
+    : m_offscreenCanvas(canvas)
 {
-    return adoptRef(new LayoutThemeAndroid());
 }
 
-LayoutTheme& LayoutTheme::nativeTheme()
+OffscreenCanvasRenderingContext::ContextType OffscreenCanvasRenderingContext::contextTypeFromId(const String& id)
 {
-    DEFINE_STATIC_REF(LayoutTheme, layoutTheme, (LayoutThemeAndroid::create()));
-    return *layoutTheme;
+    if (id == "2d")
+        return Context2d;
+    if (id == "webgl")
+        return ContextWebgl;
+    if (id == "webgl2")
+        return ContextWebgl2;
+    return ContextTypeCount;
 }
 
-LayoutThemeAndroid::~LayoutThemeAndroid()
+DEFINE_TRACE(OffscreenCanvasRenderingContext)
 {
+    visitor->trace(m_offscreenCanvas);
 }
 
 } // namespace blink