[headless] Embed pak file into binary.

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 <stdint.h>
 
 #include <limits>
 #include <utility>
@@ skipping 189 matching lines @@
 
 // static
 void ResourceBundle::InitSharedInstanceWithPakPath(const base::FilePath& path) {
   InitSharedInstance(NULL);
   g_shared_instance_->LoadTestResources(path, path);
 
   g_shared_instance_->InitDefaultFontList();
 }
 
 // static
+void ResourceBundle::InitSharedInstanceWithPakBuffer(base::StringPiece buffer) {
+  InitSharedInstance(NULL);

[sky, 2016/05/19 20:25:54]

nullptr

[altimin, 2016/05/19 23:04:47]

Done.

+  g_shared_instance_->LoadTestResourcesFromBuffer(buffer, buffer);
+
+  g_shared_instance_->InitDefaultFontList();
+}
+
+// static
 void ResourceBundle::CleanupSharedInstance() {
   if (g_shared_instance_) {
     delete g_shared_instance_;
     g_shared_instance_ = NULL;
   }
 }
 
 // static
 bool ResourceBundle::HasSharedInstance() {
   return g_shared_instance_ != NULL;
@@ skipping 125 matching lines @@
     AddDataPack(data_pack.release());
 
   data_pack.reset(new DataPack(ui::SCALE_FACTOR_NONE));
   if (!locale_path.empty() && data_pack->LoadFromPath(locale_path)) {
     locale_resources_data_.reset(data_pack.release());
   } else {
     locale_resources_data_.reset(new DataPack(ui::SCALE_FACTOR_NONE));
   }
 }
 
+void ResourceBundle::LoadTestResourcesFromBuffer(
+    base::StringPiece data,
+    base::StringPiece locale_data) {
+  // Headless Chromium allows fallback to lower-res images.
+  is_test_resources_ = true;
+
+  DCHECK(!ui::GetSupportedScaleFactors().empty());
+  const ScaleFactor scale_factor(ui::GetSupportedScaleFactors()[0]);
+  // Use the given resource pak for both common and localized resources.
+  std::unique_ptr<DataPack> data_pack(new DataPack(scale_factor));
+  if (data_pack->LoadFromBuffer(data))
+    AddDataPack(data_pack.release());
+
+  data_pack.reset(new DataPack(ui::SCALE_FACTOR_NONE));
+  if (data_pack->LoadFromBuffer(locale_data)) {
+    locale_resources_data_.reset(data_pack.release());
+  } else {
+    locale_resources_data_.reset(new DataPack(ui::SCALE_FACTOR_NONE));
+  }
+}
+
 void ResourceBundle::UnloadLocaleResources() {
   locale_resources_data_.reset();
 }
 
 void ResourceBundle::OverrideLocalePakForTest(const base::FilePath& pak_path) {
   overridden_pak_path_ = pak_path;
 }
 
 void ResourceBundle::OverrideLocaleStringResource(
     int message_id,
@@ skipping 531 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