remove unused TextBufferDirection enum

samplecode/SampleText.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SampleCode.h"
 #include "SkView.h"
 #include "SkCanvas.h"
@@ skipping 19 matching lines @@
 static void test_breakText() {
     SkPaint paint;
     const char* text = "sdfkljAKLDFJKEWkldfjlk#$%&sdfs.dsj";
     size_t length = strlen(text);
     SkScalar width = paint.measureText(text, length);
 
     SkScalar mm = 0;
     SkScalar nn = 0;
     for (SkScalar w = 0; w <= width; w += SK_Scalar1) {
         SkScalar m;
-        size_t n = paint.breakText(text, length, w, &m,
-                                    SkPaint::kBackward_TextBufferDirection);
+        size_t n = paint.breakText(text, length, w, &m);
 
         SkASSERT(n <= length);
         SkASSERT(m <= width);
 
         if (n == 0) {
             SkASSERT(m == 0);
         } else {
             // now assert that we're monotonic
             if (n == nn) {
                 SkASSERT(m == mm);
@@ skipping 149 matching lines @@
     int fHints;
     SkScalar fClickX;
 
     typedef SampleView INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static SkView* MyFactory() { return new TextSpeedView; }
 static SkViewRegister reg(MyFactory);