Bug 774841 - Check the proper extension before using ImageTargetTexture2D - r=bgirard

gfx/gl/GLContextProviderEGL.cpp

@@ -1571,7 +1571,9 @@ public:
         XSync(dpy, False);
         mConfig = nsnull;
 
-        if (sEGLLibrary.HasKHRImagePixmap() && sEGLLibrary.HasKHRImageTexture2D()) {
+        if (sEGLLibrary.HasKHRImagePixmap() &&
+            mGLContext->IsExtensionSupported(GLContext::OES_EGL_image))
+        {
             mEGLImage =
                 sEGLLibrary.fCreateImage(EGL_DISPLAY(),
                                          EGL_NO_CONTEXT,