Adding Blink-side support for EXT_shader_texture_lod

Source/bindings/v8/custom/V8WebGLRenderingContextCustom.cpp

Index: Source/bindings/v8/custom/V8WebGLRenderingContextCustom.cpp
diff --git a/Source/bindings/v8/custom/V8WebGLRenderingContextCustom.cpp b/Source/bindings/v8/custom/V8WebGLRenderingContextCustom.cpp
index b5d3bb20d4e62e60ff754ee068e620d1b21373ad..d40c0f29adac8623f4cd383eeb7c7bade2a3de66 100644
--- a/Source/bindings/v8/custom/V8WebGLRenderingContextCustom.cpp
+++ b/Source/bindings/v8/custom/V8WebGLRenderingContextCustom.cpp
@@ -33,6 +33,7 @@
 
 #include "V8ANGLEInstancedArrays.h"
 #include "V8EXTFragDepth.h"
+#include "V8EXTShaderTextureLOD.h"
 #include "V8EXTTextureFilterAnisotropic.h"
 #include "V8HTMLCanvasElement.h"
 #include "V8HTMLImageElement.h"
@@ -191,6 +192,10 @@ static v8::Handle<v8::Value> toV8Object(WebGLExtension* extension, v8::Handle<v8
         extensionObject = toV8(static_cast<EXTFragDepth*>(extension), contextObject, isolate);
         referenceName = "extFragDepthName";
         break;
+    case EXTShaderTextureLODName:
+        extensionObject = toV8(static_cast<EXTShaderTextureLOD*>(extension), contextObject, isolate);
+        referenceName = "extShaderTextureLODName";
+        break;
     case EXTTextureFilterAnisotropicName:
         extensionObject = toV8(static_cast<EXTTextureFilterAnisotropic*>(extension), contextObject, isolate);
         referenceName = "extTextureFilterAnisotropicName";