Remove ~1750 superfluous includes from core

Source/core/platform/graphics/filters/SkiaImageFilterBuilder.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 11 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #include "config.h"
 
 #include "core/platform/graphics/filters/SkiaImageFilterBuilder.h"
 
 #include "SkBlurImageFilter.h"
 #include "SkColorFilterImageFilter.h"
 #include "SkColorMatrixFilter.h"
-#include "SkMatrix.h"
 #include "core/platform/graphics/filters/DropShadowImageFilter.h"
 #include "core/platform/graphics/filters/FilterEffect.h"
 #include "core/platform/graphics/filters/FilterOperations.h"
 
 namespace {
 
 void getBrightnessMatrix(float amount, SkScalar matrix[20])
 {
     memset(matrix, 0, 20 * sizeof(SkScalar));
     matrix[0] = matrix[6] = matrix[12] = amount;
@@ skipping 220 matching lines @@
             // Not supported.
         case FilterOperation::PASSTHROUGH:
         case FilterOperation::NONE:
             break;
         }
     }
     return filter.detach();
 }
 
 };