Revert of tryAllocPixels returns bool, allocPixels requires success

skia/ext/skia_utils_ios.mm

 // Copyright 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 "skia/ext/skia_utils_ios.h"
 
 #import <ImageIO/ImageIO.h>
 #import <UIKit/UIKit.h>
 
 #include "base/logging.h"
 #include "base/mac/scoped_cftyperef.h"
 #include "third_party/skia/include/utils/mac/SkCGUtils.h"
 
 namespace gfx {
 
 SkBitmap CGImageToSkBitmap(CGImageRef image, CGSize size, bool is_opaque) {
   SkBitmap bitmap;
   if (!image)
     return bitmap;
 
-  if (!bitmap.tryAllocN32Pixels(size.width, size.height, is_opaque))
+  if (!bitmap.allocN32Pixels(size.width, size.height, is_opaque))
     return bitmap;
 
   void* data = bitmap.getPixels();
 
   // Allocate a bitmap context with 4 components per pixel (BGRA). Apple
   // recommends these flags for improved CG performance.
 #define HAS_ARGB_SHIFTS(a, r, g, b) \
             (SK_A32_SHIFT == (a) && SK_R32_SHIFT == (r) \
              && SK_G32_SHIFT == (g) && SK_B32_SHIFT == (b))
 #if defined(SK_CPU_LENDIAN) && HAS_ARGB_SHIFTS(24, 16, 8, 0)
@@ skipping 60 matching lines @@
     if (!bitmap.empty())
       frames.push_back(bitmap);
   }
 
   DLOG_IF(WARNING, frames.size() != count) << "Only decoded " << frames.size()
       << " frames for " << count << " expected.";
   return frames;
 }
 
 }  // namespace gfx