Fix sizing when auto-scaling a missing resource at a non-integer scale factor.

ui/base/resource/resource_bundle.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/base/resource/resource_bundle.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/file_util.h"
@@ skipping 68 matching lines @@
                                  &image, &fell_back_to_1x);
     if (!found)
       return gfx::ImageSkiaRep();
 
     if (fell_back_to_1x) {
       // GRIT fell back to the 100% image, so rescale it to the correct size.
       float scale = GetScaleFactorScale(scale_factor);
       image = skia::ImageOperations::Resize(
           image,
           skia::ImageOperations::RESIZE_LANCZOS3,
-          gfx::ToFlooredInt(image.width() * scale),
-          gfx::ToFlooredInt(image.height() * scale));
+          gfx::ToCeiledInt(image.width() * scale),
+          gfx::ToCeiledInt(image.height() * scale));
       // If --highlight-missing-scaled-resources is specified, log the resource
       // id and blend the created resource with red.
       if (ShouldHighlightMissingScaledResources()) {
         LOG(ERROR) << "Missing " << scale << "x scaled resource. id="
                    << resource_id_;
 
         SkBitmap mask;
         mask.setConfig(SkBitmap::kARGB_8888_Config,
                        image.width(), image.height());
         mask.allocPixels();
@@ skipping 609 matching lines @@
 // static
 bool ResourceBundle::DecodePNG(const unsigned char* buf,
                                size_t size,
                                SkBitmap* bitmap,
                                bool* fell_back_to_1x) {
   *fell_back_to_1x = PNGContainsFallbackMarker(buf, size);
   return gfx::PNGCodec::Decode(buf, size, bitmap);
 }
 
 }  // namespace ui