Remove SkPicture::hasText()

include/core/SkPicture.h

 /*
  * Copyright 2007 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkPicture_DEFINED
 #define SkPicture_DEFINED
 
@@ skipping 121 matching lines @@
      */
     virtual bool willPlayBackBitmaps() const = 0;
 
     /** Return the approximate number of operations in this picture.  This
      *  number may be greater or less than the number of SkCanvas calls
      *  recorded: some calls may be recorded as more than one operation, or some
      *  calls may be optimized away.
      */
     virtual int approximateOpCount() const = 0;
 
-    /** Return true if this picture contains text.
-     */
-    virtual bool hasText() const = 0;
-
     /** Returns the approximate byte size of this picture, not including large ref'd objects. */
     virtual size_t approximateBytesUsed() const = 0;
 
     /** Return true if the SkStream/Buffer represents a serialized picture, and
         fills out SkPictInfo. After this function returns, the data source is not
         rewound so it will have to be manually reset before passing to
         CreateFromStream or CreateFromBuffer. Note, CreateFromStream and
         CreateFromBuffer perform this check internally so these entry points are
         intended for stand alone tools.
         If false is returned, SkPictInfo is unmodified.
@@ skipping 70 matching lines @@
                                         const SkPictureData*,
                                         const SkReadBuffer* buffer);
 
     SkPictInfo createHeader() const;
     SkPictureData* backport() const;
 
     mutable uint32_t fUniqueID;
 };
 
 #endif