Revert of remove Sk64 from public API, and start to remove usage internally

tests/BitmapCopyTest.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 "Test.h"
 #include "TestClassDef.h"
 #include "SkBitmap.h"
@@ skipping 325 matching lines @@
             // Test copying to/from external buffer.
             // Note: the tests below have hard-coded values ---
             //       Please take care if modifying.
 
             // Tests for getSafeSize64().
             // Test with a very large configuration without pixel buffer
             // attached.
             SkBitmap tstSafeSize;
             tstSafeSize.setConfig(gPairs[i].fConfig, 100000000U,
                                   100000000U);
-            int64_t safeSize = tstSafeSize.computeSafeSize64();
-            if (safeSize < 0) {
+            Sk64 safeSize = tstSafeSize.getSafeSize64();
+            if (safeSize.isNeg()) {
                 SkString str;
                 str.printf("getSafeSize64() negative: %s",
                     getSkConfigName(tstSafeSize));
                 reporter->reportFailed(str);
             }
             bool sizeFail = false;
             // Compare against hand-computed values.
             switch (gPairs[i].fConfig) {
                 case SkBitmap::kNo_Config:
                     break;
 
                 case SkBitmap::kA8_Config:
                 case SkBitmap::kIndex8_Config:
-                    if (safeSize != 0x2386F26FC10000LL) {
+                    if (safeSize.as64() != 0x2386F26FC10000LL) {
                         sizeFail = true;
                     }
                     break;
 
                 case SkBitmap::kRGB_565_Config:
                 case SkBitmap::kARGB_4444_Config:
-                    if (safeSize != 0x470DE4DF820000LL) {
+                    if (safeSize.as64() != 0x470DE4DF820000LL) {
                         sizeFail = true;
                     }
                     break;
 
                 case SkBitmap::kARGB_8888_Config:
-                    if (safeSize != 0x8E1BC9BF040000LL) {
+                    if (safeSize.as64() != 0x8E1BC9BF040000LL) {
                         sizeFail = true;
                     }
                     break;
 
                 default:
                     break;
             }
             if (sizeFail) {
                 SkString str;
-                str.printf("computeSafeSize64() wrong size: %s",
+                str.printf("getSafeSize64() wrong size: %s",
                     getSkConfigName(tstSafeSize));
                 reporter->reportFailed(str);
             }
 
             int subW = 2;
             int subH = 2;
 
             // Create bitmap to act as source for copies and subsets.
             SkBitmap src, subset;
             SkColorTable* ct = NULL;
@@ skipping 149 matching lines @@
                 // for the transfer.
                 REPORTER_ASSERT(reporter,
                     subset.copyPixelsFrom(buf, 1, subset.rowBytes()) ==
                         false);
 
 #endif
             }
         } // for (size_t copyCase ...
     }
 }