Remove image decoder and encoder autoregistration

gm/gmmain.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.
  */
 
 /*
  * Code for the "gm" (Golden Master) rendering comparison tool.
  *
@@ skipping 11 matching lines @@
 #include "Resources.h"
 #include "SamplePipeControllers.h"
 #include "SkBitmap.h"
 #include "SkColorPriv.h"
 #include "SkCommandLineFlags.h"
 #include "SkData.h"
 #include "SkDeferredCanvas.h"
 #include "SkDevice.h"
 #include "SkDocument.h"
 #include "SkDrawFilter.h"
-#include "SkForceLinking.h"
 #include "SkGPipe.h"
 #include "SkGraphics.h"
 #include "SkImageDecoder.h"
 #include "SkImageEncoder.h"
 #include "SkJSONCPP.h"
 #include "SkOSFile.h"
 #include "SkPDFRasterizer.h"
 #include "SkPicture.h"
 #include "SkPictureRecorder.h"
 #include "SkRefCnt.h"
 #include "SkScalar.h"
 #include "SkStream.h"
 #include "SkString.h"
 #include "SkSurface.h"
 #include "SkTArray.h"
 #include "SkTDict.h"
 
 #ifdef SK_DEBUG
 static const bool kDebugOnly = true;
 #define GR_DUMP_FONT_CACHE 0
 #else
 static const bool kDebugOnly = false;
 #endif
 
-__SK_FORCE_IMAGE_DECODER_LINKING;
-
 #if SK_SUPPORT_GPU
 #include "GrContextFactory.h"
 #include "SkGpuDevice.h"
 typedef GrContextFactory::GLContextType GLContextType;
 #define DEFAULT_CACHE_VALUE -1
 static int gGpuCacheSizeBytes;
 static int gGpuCacheSizeCount;
 #else
 class GrContextFactory;
 class GrContext;
@@ skipping 2421 matching lines @@
     if (FLAGS_forceBWtext) {
         canvas->setDrawFilter(SkNEW(BWTextDrawFilter))->unref();
     }
 }
 
 #if !defined(SK_BUILD_FOR_IOS) && !defined(SK_BUILD_FOR_NACL)
 int main(int argc, char * const argv[]) {
     return tool_main(argc, (char**) argv);
 }
 #endif