fix GpuFeatureTest.RafNoDamage on win aura, mesa path

content/common/gpu/image_transport_surface_win.cc

Index: content/common/gpu/image_transport_surface_win.cc
diff --git a/content/common/gpu/image_transport_surface_win.cc b/content/common/gpu/image_transport_surface_win.cc
index 54d9e0627de29d2b91a75ea8c518c861f1ee530c..9c8eed4ed576e33a11e1530578d78238a6463214 100644
--- a/content/common/gpu/image_transport_surface_win.cc
+++ b/content/common/gpu/image_transport_surface_win.cc
@@ -250,8 +250,7 @@ scoped_refptr<gfx::GLSurface> ImageTransportSurface::CreateSurface(
     DCHECK(handle.parent_client_id);
     surface = new TextureImageTransportSurface(manager, stub, handle);
   } else {
-    if (handle.transport &&
-        gfx::GetGLImplementation() == gfx::kGLImplementationEGLGLES2 &&
+    if (gfx::GetGLImplementation() == gfx::kGLImplementationEGLGLES2 &&
         !CommandLine::ForCurrentProcess()->HasSwitch(
             switches::kDisableImageTransportSurface)) {
       // This path handles two different cases.