remove fConvolutionProcs from State, and just use it locally

src/opts/SkBitmapProcState_opts_arm.cpp

 /*
  * Copyright 2009 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.
  */
 
 
 #include "SkBitmapProcState.h"
 #include "SkColorPriv.h"
@@ skipping 383 matching lines @@
     // Padding |paddingCount| of more dummy coefficients after the coefficients
     // of last filter to prevent SIMD instructions which load 8 or 16 bytes
     // together to access invalid memory areas. We are not trying to align the
     // coefficients right now due to the opaqueness of <vector> implementation.
     // This has to be done after all |AddFilter| calls.
     for (int i = 0; i < 8; ++i) {
         filter->addFilterValue(static_cast<SkConvolutionFilter1D::ConvolutionFixed>(0));
     }
 }
 
-void SkBitmapProcState::platformConvolutionProcs() {
+void SkBitmapProcState::platformConvolutionProcs(SkConvolutionProcs* procs) {
     if (sk_cpu_arm_has_neon()) {
-        fConvolutionProcs->fExtraHorizontalReads = 3;
-        fConvolutionProcs->fConvolveVertically = &convolveVertically_arm;
+        procs->fExtraHorizontalReads = 3;
+        procs->fConvolveVertically = &convolveVertically_arm;
 
         // next line is commented out because the four-row convolution function above is
         // just a no-op.  Please see the comment above its definition, and the SSE implementation
         // in SkBitmapProcState_opts_SSE2.cpp for guidance on its semantics.
         // leaving it as NULL will just cause the convolution system to not attempt
         // to operate on four rows at once, which is correct but not performance-optimal.
 
-        // fConvolutionProcs->fConvolve4RowsHorizontally = &convolve4RowsHorizontally_arm;
+        // procs->fConvolve4RowsHorizontally = &convolve4RowsHorizontally_arm;
 
-        fConvolutionProcs->fConvolve4RowsHorizontally = NULL;
+        procs->fConvolve4RowsHorizontally = NULL;
 
-        fConvolutionProcs->fConvolveHorizontally = &convolveHorizontally_arm;
-        fConvolutionProcs->fApplySIMDPadding = &applySIMDPadding_arm;
+        procs->fConvolveHorizontally = &convolveHorizontally_arm;
+        procs->fApplySIMDPadding = &applySIMDPadding_arm;
     }
 }