Add remaining transform feedback queries.

BUG=angle:493

Change-Id: I8841af50dcb90e7fb8a811b95d015bfdd2c5d226
Reviewed-on: https://chromium-review.googlesource.com/191035
Reviewed-by: Shannon Woods <shannonwoods@chromium.org>
Tested-by: Geoff Lang <geofflang@chromium.org>
diff --git a/src/libGLESv2/Program.h b/src/libGLESv2/Program.h
index 6ca5bd2..1582081 100644
--- a/src/libGLESv2/Program.h
+++ b/src/libGLESv2/Program.h
@@ -1,5 +1,5 @@
 //
-// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Copyright (c) 2002-2014 The ANGLE Project Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
@@ -98,6 +98,10 @@
     void bindUniformBlock(GLuint uniformBlockIndex, GLuint uniformBlockBinding);
     GLuint getUniformBlockBinding(GLuint uniformBlockIndex) const;
 
+    GLsizei getTransformFeedbackVaryingCount() const;
+    GLsizei getTransformFeedbackVaryingMaxLength() const;
+    GLenum getTransformFeedbackBufferMode() const;
+
     void addRef();
     void release();
     unsigned int getRefCount() const;