Replace Error(GL_NO_ERROR) with NoError().

In order to make the errors be consistent throughout ANGLE.

BUG=angleproject:1686

Change-Id: I0a2d86091d640aedeac94beae345c1fb6971b00d
Reviewed-on: https://chromium-review.googlesource.com/424835
Commit-Queue: Yunchao He <yunchao.he@intel.com>
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
diff --git a/src/libANGLE/renderer/d3d/FramebufferD3D.cpp b/src/libANGLE/renderer/d3d/FramebufferD3D.cpp
index e86f913..7f9e208 100644
--- a/src/libANGLE/renderer/d3d/FramebufferD3D.cpp
+++ b/src/libANGLE/renderer/d3d/FramebufferD3D.cpp
@@ -268,7 +268,7 @@
                        (mask & GL_DEPTH_BUFFER_BIT) != 0, (mask & GL_STENCIL_BUFFER_BIT) != 0,
                        filter, sourceFramebuffer));
 
-    return gl::Error(GL_NO_ERROR);
+    return gl::NoError();
 }
 
 bool FramebufferD3D::checkStatus() const