Remove unused tools and unused includes of SkImageDecoder

tools/VisualBench/VisualLightweightBenchModule.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "VisualLightweightBenchModule.h"
 
 #include "ProcStats.h"
 #include "SkApplication.h"
 #include "SkCanvas.h"
 #include "SkCommandLineFlags.h"
-#include "SkForceLinking.h"
 #include "SkGraphics.h"
 #include "SkGr.h"
-#include "SkImageDecoder.h"
 #include "SkOSFile.h"
 #include "SkStream.h"
 #include "Stats.h"
 #include "gl/GrGLInterface.h"
 
-__SK_FORCE_IMAGE_DECODER_LINKING;
-
 // Between samples we reset context
 // Between frames we swap buffers
 DEFINE_bool2(verbose, v, false, "enable verbose output from the test driver.");
 DEFINE_string(outResultsFile, "", "If given, write results here as JSON.");
 DEFINE_string(key, "",
               "Space-separated key/value pairs to add to JSON identifying this builder.");
 DEFINE_string(properties, "",
               "Space-separated key/value pairs to add to JSON identifying this run.");
 DEFINE_int32(samples, 10, "Number of times to time each skp.");
 
@@ skipping 112 matching lines @@
         fRecords.push_back();
         fCurrentSample = 0;
         return true;
     }
     return false;
 }
 
 bool VisualLightweightBenchModule::onHandleChar(SkUnichar c) {
     return true;
 }