remove unneeded call to deprecated method

skia/public/interfaces/bitmap_skbitmap_struct_traits.cc

 // Copyright 2016 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 "skia/public/interfaces/bitmap_skbitmap_struct_traits.h"
 
 namespace mojo {
 
 namespace {
 
@@ skipping 153 matching lines @@
     return false;
   }
 
   // If the image is empty, return success after setting the image info.
   if (data.width() == 0 || data.height() == 0)
     return true;
 
   SkAutoPixmapUnlock pixmap;
   if (static_cast<uint32_t>(b->width()) != data.width() ||
       static_cast<uint32_t>(b->height()) != data.height() ||
-      !b->requestLock(&pixmap) || !b->lockPixelsAreWritable() ||
+      !b->requestLock(&pixmap) ||
       !b->readyToDraw()) {
     return false;
   }
 
   BitmapBuffer bitmap_buffer = {0, b->getSize(),
                                 static_cast<uint8_t*>(b->getPixels())};
   if (!data.ReadPixelData(&bitmap_buffer) || bitmap_buffer.size != b->getSize())
     return false;
 
   b->notifyPixelsChanged();
   return true;
 }
 
 // static
 void* StructTraits<skia::mojom::Bitmap, SkBitmap>::SetUpContext(
     const SkBitmap& b) {
   b.lockPixels();
   return nullptr;
 }
 
 // static
 void StructTraits<skia::mojom::Bitmap, SkBitmap>::TearDownContext(
     const SkBitmap& b,
     void* context) {
   b.unlockPixels();
 }
 
 }  // namespace mojo