Moved the majority of WebGL functionality into WebGLRenderingContextBase

Source/core/html/canvas/WebGLDebugRendererInfo.cpp

Index: Source/core/html/canvas/WebGLDebugRendererInfo.cpp
diff --git a/Source/core/html/canvas/WebGLDebugRendererInfo.cpp b/Source/core/html/canvas/WebGLDebugRendererInfo.cpp
index 7786e3fed3a8e5da750d907c7a4a5b8e6e9565fb..de0db8cedd4facedd29d5f399cc222123fe3f888 100644
--- a/Source/core/html/canvas/WebGLDebugRendererInfo.cpp
+++ b/Source/core/html/canvas/WebGLDebugRendererInfo.cpp
@@ -29,7 +29,7 @@
 
 namespace WebCore {
 
-WebGLDebugRendererInfo::WebGLDebugRendererInfo(WebGLRenderingContext* context)
+WebGLDebugRendererInfo::WebGLDebugRendererInfo(WebGLRenderingContextBase* context)
     : WebGLExtension(context)
 {
     ScriptWrappable::init(this);
@@ -44,12 +44,12 @@ WebGLExtension::ExtensionName WebGLDebugRendererInfo::getName() const
     return WebGLDebugRendererInfoName;
 }
 
-PassRefPtr<WebGLDebugRendererInfo> WebGLDebugRendererInfo::create(WebGLRenderingContext* context)
+PassRefPtr<WebGLDebugRendererInfo> WebGLDebugRendererInfo::create(WebGLRenderingContextBase* context)
 {
     return adoptRef(new WebGLDebugRendererInfo(context));
 }
 
-bool WebGLDebugRendererInfo::supported(WebGLRenderingContext*)
+bool WebGLDebugRendererInfo::supported(WebGLRenderingContextBase*)
 {
     return true;
 }