Make the orientation of a texture accessible from and known by GrSurface.

R=robertphillips@google.com
Review URL: https://codereview.appspot.com/6801044

git-svn-id: http://skia.googlecode.com/svn/branches/gpu_dev@6148 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/gl/GrGLProgram.h b/src/gpu/gl/GrGLProgram.h
index 8adcd62..5fad7cc 100644
--- a/src/gpu/gl/GrGLProgram.h
+++ b/src/gpu/gl/GrGLProgram.h
@@ -248,10 +248,9 @@
     GrColor                     fCoverage;
     GrColor                     fColorFilterColor;
     int                         fRTHeight;
-    /// When it is sent to GL, the texture matrix will be flipped if the texture orientation
-    /// (below) requires.
+    /// When it is sent to GL, the texture matrix will be flipped if the texture origin requires.
     GrMatrix                    fTextureMatrices[GrDrawState::kNumStages];
-    GrGLTexture::Orientation    fTextureOrientation[GrDrawState::kNumStages];
+    GrSurface::Origin           fTextureOrigin[GrDrawState::kNumStages];
 
     GrGLEffect*                 fEffects[GrDrawState::kNumStages];