Moved the majority of WebGL functionality into WebGLRenderingContextBase

Source/core/html/canvas/OESTextureFloat.cpp

Index: Source/core/html/canvas/OESTextureFloat.cpp
diff --git a/Source/core/html/canvas/OESTextureFloat.cpp b/Source/core/html/canvas/OESTextureFloat.cpp
index bc71c70efccab6f5b678467ffdd07a7afdb2d5fa..a949e5c54b00e0000f1aabc597ebed419cddd45a 100644
--- a/Source/core/html/canvas/OESTextureFloat.cpp
+++ b/Source/core/html/canvas/OESTextureFloat.cpp
@@ -29,7 +29,7 @@
 
 namespace WebCore {
 
-OESTextureFloat::OESTextureFloat(WebGLRenderingContext* context)
+OESTextureFloat::OESTextureFloat(WebGLRenderingContextBase* context)
     : WebGLExtension(context)
 {
     ScriptWrappable::init(this);
@@ -44,17 +44,17 @@ OESTextureFloat::~OESTextureFloat()
 {
 }
 
-WebGLExtension::ExtensionName OESTextureFloat::name() const
+WebGLExtensionName OESTextureFloat::name() const
 {
     return OESTextureFloatName;
 }
 
-PassRefPtr<OESTextureFloat> OESTextureFloat::create(WebGLRenderingContext* context)
+PassRefPtr<OESTextureFloat> OESTextureFloat::create(WebGLRenderingContextBase* context)
 {
     return adoptRef(new OESTextureFloat(context));
 }
 
-bool OESTextureFloat::supported(WebGLRenderingContext* context)
+bool OESTextureFloat::supported(WebGLRenderingContextBase* context)
 {
     return context->extensionsUtil()->supportsExtension("GL_OES_texture_float");
 }