Stop overloading internal_dispose in SkTextBlob and SkData

src/core/SkTextBlob.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkTextBlob.h"
 
 #include "SkReadBuffer.h"
@@ skipping 104 matching lines @@
 SkTextBlob::~SkTextBlob() {
     const RunRecord* run = RunRecord::First(this);
     for (int i = 0; i < fRunCount; ++i) {
         const RunRecord* nextRun = RunRecord::Next(run);
         SkDEBUGCODE(run->validate((uint8_t*)this + fStorageSize);)
         run->~RunRecord();
         run = nextRun;
     }
 }
 
-void SkTextBlob::internal_dispose() const {
-    // SkTextBlobs use externally-managed storage.
-    this->internal_dispose_restore_refcnt_to_1();
-    this->~SkTextBlob();
-    sk_free(const_cast<SkTextBlob*>(this));
-}
-
 uint32_t SkTextBlob::uniqueID() const {
     static int32_t  gTextBlobGenerationID; // = 0;
 
     // loop in case our global wraps around, as we never want to return SK_InvalidGenID
     while (SK_InvalidGenID == fUniqueID) {
         fUniqueID = sk_atomic_inc(&gTextBlobGenerationID) + 1;
     }
 
     return fUniqueID;
 }
@@ skipping 382 matching lines @@
 
     fStorageUsed = 0;
     fStorageSize = 0;
     fRunCount = 0;
     fLastRun = 0;
     fBounds.setEmpty();
 
     return blob;
 }