Revert of impl colormatrix w/ floats

gm/colormatrix.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 "gm.h"
 #include "SkColorMatrixFilter.h"
 #include "SkGradientShader.h"
@@ skipping 85 matching lines @@
     virtual void onDraw(SkCanvas* canvas) {
         this->init();
 
         SkPaint paint;
         SkColorMatrix matrix;
 
         paint.setXfermodeMode(SkXfermode::kSrc_Mode);
         const SkBitmap bmps[] = { fSolidBitmap, fTransparentBitmap };
 
         for (size_t i = 0; i < SK_ARRAY_COUNT(bmps); ++i) {
+
             matrix.setIdentity();
             setColorMatrix(&paint, matrix);
             canvas->drawBitmap(bmps[i], 0, 0, &paint);
 
             matrix.setRotate(SkColorMatrix::kR_Axis, 90);
             setColorMatrix(&paint, matrix);
             canvas->drawBitmap(bmps[i], 80, 0, &paint);
 
             matrix.setRotate(SkColorMatrix::kG_Axis, 90);
             setColorMatrix(&paint, matrix);
@@ skipping 49 matching lines @@
     SkBitmap fTransparentBitmap;
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static GM* MyFactory(void*) { return new ColorMatrixGM; }
 static GMRegistry reg(MyFactory);
 
 }