Replace uses of legacy SkBitmap::copyTo() API

ui/native_theme/native_theme_win.cc

 // Copyright (c) 2012 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 "ui/native_theme/native_theme_win.h"
 
 #include <windows.h>
 #include <stddef.h>
 #include <uxtheme.h>
 #include <vsstyle.h>
@@ skipping 57 matching lines @@
   // Confusing bit: we first create a temporary bitmap with our desired pattern,
   // then copy it to another bitmap.  The temporary bitmap doesn't take
   // ownership of the pixel data, and so will point to garbage when this
   // function returns.  The copy will copy the pixel data into a place owned by
   // the bitmap, which is in turn owned by the shader, etc., so it will live
   // until we're done using it.
   SkImageInfo info = SkImageInfo::MakeN32Premul(2, 2);
   SkBitmap temp_bitmap;
   temp_bitmap.installPixels(info, buffer, info.minRowBytes());
   SkBitmap bitmap;
-  temp_bitmap.copyTo(&bitmap);
+  if (bitmap.tryAllocPixels(info))
+    temp_bitmap.readPixels(info, bitmap.getPixels(), bitmap.rowBytes(), 0, 0);
 
   // Align the pattern with the upper corner of |align_rect|.
   SkMatrix local_matrix;
   local_matrix.setTranslate(SkIntToScalar(align_rect.left),
                             SkIntToScalar(align_rect.top));
   paint->setShader(
       SkShader::MakeBitmapShader(bitmap, SkShader::kRepeat_TileMode,
                                  SkShader::kRepeat_TileMode, &local_matrix));
 }
 
@@ skipping 1949 matching lines @@
     break;
   case LAST:
     NOTREACHED();
     break;
   }
   theme_handles_[theme_name] = handle;
   return handle;
 }
 
 }  // namespace ui