Bye bye Mandoline

components/html_viewer/global_state.cc

Index: components/html_viewer/global_state.cc
diff --git a/components/html_viewer/global_state.cc b/components/html_viewer/global_state.cc
deleted file mode 100644
index f84bcb45532202e7509fce8653de3a5f8cd17c51..0000000000000000000000000000000000000000
--- a/components/html_viewer/global_state.cc
+++ /dev/null
@@ -1,205 +0,0 @@
-// Copyright 2015 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 "components/html_viewer/global_state.h"
-
-#include <stddef.h>
-#include <string>
-#include <utility>
-
-#include "base/bind.h"
-#include "base/command_line.h"
-#include "base/logging.h"
-#include "build/build_config.h"
-#include "cc/blink/web_layer_impl.h"
-#include "cc/layers/layer_settings.h"
-#include "components/html_viewer/blink_platform_impl.h"
-#include "components/html_viewer/blink_settings_impl.h"
-#include "components/html_viewer/media_factory.h"
-#include "components/scheduler/renderer/renderer_scheduler.h"
-#include "gin/v8_initializer.h"
-#include "mojo/logging/init_logging.h"
-#include "mojo/services/tracing/public/cpp/tracing_impl.h"
-#include "mojo/shell/public/cpp/shell.h"
-#include "third_party/WebKit/public/web/WebKit.h"
-#include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/base/ui_base_paths.h"
-#include "ui/gfx/display.h"
-#include "ui/mojo/init/ui_init.h"
-#include "v8/include/v8.h"
-
-#if defined(OS_LINUX) && !defined(OS_ANDROID)
-#include "components/font_service/public/cpp/font_loader.h"
-#endif
-
-namespace html_viewer {
-
-namespace {
-
-// Disables support for (unprefixed) Encrypted Media Extensions.
-const char kDisableEncryptedMedia[] = "disable-encrypted-media";
-
-// Specifies the flags passed to JS engine.
-const char kJavaScriptFlags[] = "js-flags";
-
-size_t kDesiredMaxMemory = 20 * 1024 * 1024;
-
-// Paths resources are loaded from.
-const char kResourceResourcesPak[] = "html_viewer.pak";
-#if defined(V8_USE_EXTERNAL_STARTUP_DATA)
-const char kResourceNativesBlob[] = "natives_blob.bin";
-const char kResourceSnapshotBlob[] = "snapshot_blob.bin";
-#endif
-
-std::set<std::string> GetResourcePaths() {
-  std::set<std::string> paths;
-  paths.insert(kResourceResourcesPak);
-#if defined(V8_USE_EXTERNAL_STARTUP_DATA)
-  paths.insert(kResourceNativesBlob);
-  paths.insert(kResourceSnapshotBlob);
-#endif
-  return paths;
-}
-
-// TODO(sky): convert to using DisplayService.
-std::vector<gfx::Display> DisplaysFromSizeAndScale(
-    const gfx::Size& screen_size_in_pixels,
-    float device_pixel_ratio) {
-  std::vector<gfx::Display> displays(1);
-  displays[0].set_id(2000);
-  displays[0].SetScaleAndBounds(device_pixel_ratio,
-                                gfx::Rect(screen_size_in_pixels));
-  return displays;
-}
-
-}  // namespace
-
-GlobalState::GlobalState(mojo::Shell* shell, const std::string& url)
-    : shell_(shell),
-      resource_loader_(shell, GetResourcePaths()),
-      did_init_(false),
-      device_pixel_ratio_(1.f),
-      discardable_memory_allocator_(kDesiredMaxMemory),
-      compositor_thread_("compositor thread"),
-      blink_settings_(new BlinkSettingsImpl()) {
-  tracing_.Initialize(shell, url);
-}
-
-GlobalState::~GlobalState() {
-  if (blink_platform_) {
-    renderer_scheduler_->Shutdown();
-    blink::shutdown();
-  }
-#if defined(OS_LINUX) && !defined(OS_ANDROID)
-  if (font_loader_.get()) {
-    SkFontConfigInterface::SetGlobal(nullptr);
-    // FontLoader is ref counted. We need to explicitly shutdown the background
-    // thread, otherwise the background thread may be shutdown after the app is
-    // torn down, when we're in a bad state.
-    font_loader_->Shutdown();
-  }
-#endif
-}
-
-void GlobalState::InitIfNecessary(const gfx::Size& screen_size_in_pixels,
-                                  float device_pixel_ratio) {
-  if (did_init_)
-    return;
-
-  DCHECK_NE(0.f, device_pixel_ratio);
-
-  did_init_ = true;
-  device_pixel_ratio_ = device_pixel_ratio;
-  screen_size_in_pixels_ = screen_size_in_pixels;
-
-  if (!resource_loader_.BlockUntilLoaded()) {
-    // Assume on error we're being shut down.
-    shell_->Quit();
-    return;
-  }
-
-#if defined(OS_LINUX) && !defined(OS_ANDROID)
-  font_loader_ = skia::AdoptRef(new font_service::FontLoader(shell_));
-  SkFontConfigInterface::SetGlobal(font_loader_.get());
-#endif
-
-  ui_init_.reset(new ui::mojo::UIInit(
-      DisplaysFromSizeAndScale(screen_size_in_pixels_, device_pixel_ratio_)));
-  base::DiscardableMemoryAllocator::SetInstance(&discardable_memory_allocator_);
-
-  shell_->ConnectToService("mojo:mus", &gpu_service_);
-  gpu_service_->GetGpuInfo(base::Bind(&GlobalState::GetGpuInfoCallback,
-                                      base::Unretained(this)));
-
-  // Use new animation system (cc::AnimationHost).
-  cc::LayerSettings layer_settings;
-  layer_settings.use_compositor_animation_timelines = true;
-  cc_blink::WebLayerImpl::SetLayerSettings(layer_settings);
-  blink::WebRuntimeFeatures::enableCompositorAnimationTimelines(true);
-
-  renderer_scheduler_ = scheduler::RendererScheduler::Create();
-  blink_platform_.reset(
-      new BlinkPlatformImpl(this, shell_, renderer_scheduler_.get()));
-#if defined(V8_USE_EXTERNAL_STARTUP_DATA)
-  gin::V8Initializer::LoadV8SnapshotFromFD(
-      resource_loader_.ReleaseFile(kResourceSnapshotBlob).TakePlatformFile(),
-      0u, 0u);
-  gin::V8Initializer::LoadV8NativesFromFD(
-      resource_loader_.ReleaseFile(kResourceNativesBlob).TakePlatformFile(), 0u,
-      0u);
-#endif
-  blink::initialize(blink_platform_.get());
-  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
-  base::File pak_file = resource_loader_.ReleaseFile(kResourceResourcesPak);
-
-  bool initialize_ui = true;
-#if defined(COMPONENT_BUILD)
-  if (command_line->HasSwitch("single-process"))
-    initialize_ui = false;
-#endif
-  if (initialize_ui) {
-    ui::RegisterPathProvider();
-    base::File pak_file_2 = pak_file.Duplicate();
-    ui::ResourceBundle::InitSharedInstanceWithPakFileRegion(
-        std::move(pak_file_2), base::MemoryMappedFile::Region::kWholeFile);
-  }
-
-  mojo::InitLogging();
-
-  if (command_line->HasSwitch(kDisableEncryptedMedia))
-    blink::WebRuntimeFeatures::enableEncryptedMedia(false);
-
-  blink_settings_->Init();
-
-  // TODO(sky): why is this always using 100?
-  ui::ResourceBundle::GetSharedInstance().AddDataPackFromFile(
-      std::move(pak_file), ui::SCALE_FACTOR_100P);
-
-  compositor_thread_.Start();
-
-  media_factory_.reset(
-      new MediaFactory(compositor_thread_.task_runner(), shell_));
-
-  if (command_line->HasSwitch(kJavaScriptFlags)) {
-    std::string flags(command_line->GetSwitchValueASCII(kJavaScriptFlags));
-    v8::V8::SetFlagsFromString(flags.c_str(), static_cast<int>(flags.size()));
-  }
-}
-
-// TODO(rjkroege): These two functions probably do not interoperate correctly
-// with MUS.
-const mus::mojom::GpuInfo* GlobalState::GetGpuInfo() {
-  if (gpu_service_)
-    CHECK(gpu_service_.WaitForIncomingResponse()) <<"Get GPU info failed!";
-  return gpu_info_.get();
-}
-
-void GlobalState::GetGpuInfoCallback(mus::mojom::GpuInfoPtr gpu_info) {
-  CHECK(gpu_info);
-  gpu_info_ = std::move(gpu_info);
-  gpu_service_.reset();
-}
-
-}  // namespace html_viewer