ui/base/resource: Roll our own version of ReadBigEndian() function.

ui/base/resource/resource_bundle_unittest.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 "base/base_paths.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/path_service.h"
 #include "base/strings/utf_string_conversions.h"
-#include "net/base/big_endian.h"
+#include "grit/ui_resources.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/base/layout.h"
 #include "ui/base/resource/data_pack.h"
 #include "ui/gfx/codec/png_codec.h"
 #include "ui/gfx/image/image_skia.h"
 
-#include "grit/ui_resources.h"
-
 using ::testing::_;
 using ::testing::Between;
 using ::testing::Property;
 using ::testing::Return;
 using ::testing::ReturnArg;
 
 namespace ui {
 
 extern const char kSamplePakContents[];
 extern const size_t kSamplePakSize;
@@ skipping 49 matching lines @@
     return true;
   }
   MOCK_METHOD1(GetFontMock,
                gfx::Font*(ui::ResourceBundle::FontStyle style));
   virtual scoped_ptr<gfx::Font> GetFont(
       ui::ResourceBundle::FontStyle style) OVERRIDE {
     return scoped_ptr<gfx::Font>(GetFontMock(style));
   }
 };
 
+uint32_t ReadBigEndian32(const void* ptr) {
+  const uint8_t* data = reinterpret_cast<const uint8_t*>(ptr);
+  return (data[3] << 0) | (data[2] << 8) | (data[1] << 16) | (data[0] << 24);
+}
+
 // Returns |bitmap_data| with |custom_chunk| inserted after the IHDR chunk.
 void AddCustomChunk(const base::StringPiece& custom_chunk,
                     std::vector<unsigned char>* bitmap_data) {
   EXPECT_LT(arraysize(kPngMagic) + kPngChunkMetadataSize, bitmap_data->size());
   EXPECT_TRUE(std::equal(
       bitmap_data->begin(),
       bitmap_data->begin() + arraysize(kPngMagic),
       kPngMagic));
   std::vector<unsigned char>::iterator ihdr_start =
       bitmap_data->begin() + arraysize(kPngMagic);
   char ihdr_length_data[sizeof(uint32)];
   for (size_t i = 0; i < sizeof(uint32); ++i)
     ihdr_length_data[i] = *(ihdr_start + i);
-  uint32 ihdr_chunk_length = 0;
-  net::ReadBigEndian(reinterpret_cast<char*>(ihdr_length_data),
-                     &ihdr_chunk_length);
+  uint32 ihdr_chunk_length = ReadBigEndian32(ihdr_length_data);
   EXPECT_TRUE(std::equal(
       ihdr_start + sizeof(uint32),
       ihdr_start + sizeof(uint32) + sizeof(kPngIHDRChunkType),
       kPngIHDRChunkType));
 
   bitmap_data->insert(ihdr_start + kPngChunkMetadataSize + ihdr_chunk_length,
                       custom_chunk.begin(), custom_chunk.end());
 }
 
 // Creates datapack at |path| with a single bitmap at resource ID 3
@@ skipping 457 matching lines @@
   ResourceBundle* resource_bundle = CreateResourceBundleWithEmptyLocalePak();
   resource_bundle->AddDataPackFromPath(data_default_path, SCALE_FACTOR_NONE);
 
   gfx::ImageSkia* image_skia = resource_bundle->GetImageSkiaNamed(3);
   EXPECT_EQ(1u, image_skia->image_reps().size());
   EXPECT_EQ(ui::SCALE_FACTOR_100P,
             GetSupportedScaleFactor(image_skia->image_reps()[0].scale()));
 }
 
 }  // namespace ui