Cleanup: Remove unneeded SSE2 checks and unused code.

skia/ext/convolver.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "skia/ext/convolver.h"
 #include "skia/ext/convolver_SSE2.h"
 #include "skia/ext/convolver_mips_dspr2.h"
@@ skipping 344 matching lines @@
   // This is how many extra pixels may be read by the
   // conolve*horizontally functions.
   int extra_horizontal_reads;
   ConvolveVertically_pointer convolve_vertically;
   Convolve4RowsHorizontally_pointer convolve_4rows_horizontally;
   ConvolveHorizontally_pointer convolve_horizontally;
 };
 
 void SetupSIMD(ConvolveProcs *procs) {
 #ifdef SIMD_SSE2
-  base::CPU cpu;
-  if (cpu.has_sse2()) {
-    procs->extra_horizontal_reads = 3;
-    procs->convolve_vertically = &ConvolveVertically_SSE2;
-    procs->convolve_4rows_horizontally = &Convolve4RowsHorizontally_SSE2;
-    procs->convolve_horizontally = &ConvolveHorizontally_SSE2;
-  }
+  procs->extra_horizontal_reads = 3;
+  procs->convolve_vertically = &ConvolveVertically_SSE2;
+  procs->convolve_4rows_horizontally = &Convolve4RowsHorizontally_SSE2;
+  procs->convolve_horizontally = &ConvolveHorizontally_SSE2;
 #elif defined SIMD_MIPS_DSPR2
   procs->extra_horizontal_reads = 3;
   procs->convolve_vertically = &ConvolveVertically_mips_dspr2;
   procs->convolve_horizontally = &ConvolveHorizontally_mips_dspr2;
 #endif
 }
 
 void BGRAConvolve2D(const unsigned char* source_data,
                     int source_byte_row_stride,
                     bool source_has_alpha,
@@ skipping 325 matching lines @@
       float v = sigmasq * kernel_weights[tail_length + ii] / ii;
       kernel_weights[tail_length + ii] = v;
       kernel_weights[tail_length - ii] = -v;
     }
   }
 
   filter->AddFilter(0, &kernel_weights[0], kernel_weights.size());
 }
 
 }  // namespace skia