Swap SkGpuBlurUtils over to using SkIRects

include/core/SkScalar.h

 /*
  * Copyright 2006 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.
  */
 
 #ifndef SkScalar_DEFINED
 #define SkScalar_DEFINED
 
@@ skipping 83 matching lines @@
 #define SkScalarATan2(y, x)         atan2(y,x)
 #define SkScalarExp(x)              exp(x)
 #define SkScalarLog(x)              log(x)
 #define SkScalarLog2(x)             log2(x)
 
 #endif
 
 //////////////////////////////////////////////////////////////////////////////////////////////////
 
 #define SkIntToScalar(x)        static_cast<SkScalar>(x)
+#define SkIntToFloat(x)         static_cast<float>(x)
 #define SkScalarTruncToInt(x)   static_cast<int>(x)
 
 #define SkScalarToFloat(x)      static_cast<float>(x)
 #define SkFloatToScalar(x)      static_cast<SkScalar>(x)
 #define SkScalarToDouble(x)     static_cast<double>(x)
 #define SkDoubleToScalar(x)     static_cast<SkScalar>(x)
 
 #define SK_ScalarMin            (-SK_ScalarMax)
 
 static inline bool SkScalarIsNaN(SkScalar x) { return x != x; }
@@ skipping 144 matching lines @@
     SkASSERT(n >= 0);
     for (int i = 0; i < n; ++i) {
         if (a[i] != b[i]) {
             return false;
         }
     }
     return true;
 }
 
 #endif