Remove localcoordchange functions off paint

src/gpu/GrDrawState.h

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrDrawState_DEFINED
 #define GrDrawState_DEFINED
 
@@ skipping 280 matching lines @@
         SkMatrix inverse;
         if (fViewMatrix.invert(&inverse)) {
             if (matrix) {
                 *matrix = inverse;
             }
             return true;
         }
         return false;
     }
 
-    /**
-     * Sets the view matrix to identity and updates any installed effects to compensate for the
-     * coord system change.
-     */
-    bool setIdentityViewMatrix();
-
     ////////////////////////////////////////////////////////////////////////////
 
     /**
      * Preconcats the current view matrix and restores the previous view matrix in the destructor.
      * Effect matrices are automatically adjusted to compensate and adjusted back in the destructor.
      */
     class AutoViewMatrixRestore : public ::SkNoncopyable {
     public:
         AutoViewMatrixRestore() : fDrawState(NULL) {}
 
@@ skipping 231 matching lines @@
     mutable bool fCoverageProcInfoValid;
     mutable GrColor fColorCache;
     mutable GrColor fCoverageCache;
     mutable const GrPrimitiveProcessor* fColorPrimProc;
     mutable const GrPrimitiveProcessor* fCoveragePrimProc;
 
     friend class GrOptDrawState;
 };
 
 #endif