Replace uses of legacy SkBitmap::copyTo() API

chrome/browser/bitmap_fetcher/bitmap_fetcher_browsertest.cc

 // Copyright 2014 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 "chrome/browser/bitmap_fetcher/bitmap_fetcher.h"
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
@@ skipping 24 matching lines @@
                                                    async_(async) {}
 
   ~BitmapFetcherTestDelegate() override { EXPECT_TRUE(called_); }
 
   // Method inherited from BitmapFetcherDelegate.
   void OnFetchComplete(const GURL& url, const SkBitmap* bitmap) override {
     called_ = true;
     url_ = url;
     if (bitmap) {
       success_ = true;
-      bitmap->deepCopyTo(&bitmap_);
+      if (bitmap_.tryAllocPixels(bitmap->info())) {
+        bitmap->readPixels(bitmap_.info(), bitmap_.getPixels(),
+                           bitmap_.rowBytes(), 0, 0);
+      }
     }
     // For async calls, we need to quit the run loop so the test can continue.
     if (async_)
       run_loop_.Quit();
   }
 
   // Waits until OnFetchComplete() is called. Should only be used for
   // async tests.
   void Wait() {
     ASSERT_TRUE(async_);
@@ skipping 141 matching lines @@
       net::LOAD_NORMAL);
   fetcher.Start();
 
   // Blocks until test delegate is notified via a callback.
   delegate.Wait();
 
   EXPECT_FALSE(delegate.success());
 }
 
 }  // namespace chrome