Qualify the return value of SkImageDecoder::decode

src/images/SkScaledBitmapSampler.cpp

 /*
  * 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.
  */
 
 
 #include "SkScaledBitmapSampler.h"
 #include "SkBitmap.h"
@@ skipping 817 matching lines @@
     Sample_D565_D565,   Sample_D565_D565,       Sample_D565_D565,           Sample_D565_D565,           // to 565
     NULL,               NULL,                   NULL,                       NULL,                       // to 4444
     NULL,               NULL,                   NULL,                       NULL,                       // to 8888
 };
 
 // Dummy class that allows instantiation of an ImageDecoder, so begin can query its fields.
 class DummyDecoder : public SkImageDecoder {
 public:
     DummyDecoder() {}
 protected:
-    virtual bool onDecode(SkStream*, SkBitmap*, SkImageDecoder::Mode) SK_OVERRIDE {
-        return false;
+    virtual Result onDecode(SkStream*, SkBitmap*, SkImageDecoder::Mode) SK_OVERRIDE {
+        return kFailure;
     }
 };
 
 void test_row_proc_choice();
 void test_row_proc_choice() {
     const SkColorType colorTypes[] = {
         kAlpha_8_SkColorType, kIndex_8_SkColorType, kRGB_565_SkColorType, kARGB_4444_SkColorType,
         kN32_SkColorType
     };
 
@@ skipping 17 matching lines @@
                     SkScaledBitmapSampler::RowProc actual = RowProcTester::getRowProc(sampler);
                     SkASSERT(expected == actual);
                     procCounter++;
                 }
             }
         }
     }
     SkASSERT(SK_ARRAY_COUNT(gTestProcs) == procCounter);
 }
 #endif // SK_DEBUG