Revert of gpu: Completely remove GpuProcessHostUIShim.

content/browser/gpu/gpu_process_host_ui_shim.cc

Index: content/browser/gpu/gpu_process_host_ui_shim.cc
diff --git a/content/browser/gpu/gpu_process_host_ui_shim.cc b/content/browser/gpu/gpu_process_host_ui_shim.cc
new file mode 100644
index 0000000000000000000000000000000000000000..e4fd84206c6b3657635aecee613dea8d81370072
--- /dev/null
+++ b/content/browser/gpu/gpu_process_host_ui_shim.cc
@@ -0,0 +1,143 @@
+// 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 "content/browser/gpu/gpu_process_host_ui_shim.h"
+
+#include <algorithm>
+
+#include "base/bind.h"
+#include "base/callback_helpers.h"
+#include "base/id_map.h"
+#include "base/lazy_instance.h"
+#include "base/strings/string_number_conversions.h"
+#include "base/trace_event/trace_event.h"
+#include "build/build_config.h"
+#include "content/browser/compositor/gpu_process_transport_factory.h"
+#include "content/browser/field_trial_recorder.h"
+#include "content/browser/gpu/compositor_util.h"
+#include "content/browser/gpu/gpu_data_manager_impl.h"
+#include "content/browser/gpu/gpu_process_host.h"
+#include "content/browser/renderer_host/render_process_host_impl.h"
+#include "content/browser/renderer_host/render_view_host_impl.h"
+#include "content/browser/renderer_host/render_widget_helper.h"
+#include "content/browser/renderer_host/render_widget_host_view_base.h"
+#include "content/public/browser/browser_thread.h"
+#include "gpu/ipc/common/memory_stats.h"
+#include "services/resource_coordinator/memory/coordinator/coordinator_impl.h"
+#include "ui/gfx/swap_result.h"
+
+#if defined(OS_ANDROID)
+#include "content/public/browser/android/java_interfaces.h"
+#include "media/mojo/interfaces/android_overlay.mojom.h"
+#include "services/service_manager/public/cpp/binder_registry.h"
+#include "services/service_manager/public/cpp/interface_provider.h"
+#endif
+
+#if defined(USE_OZONE)
+#include "ui/ozone/public/gpu_platform_support_host.h"
+#include "ui/ozone/public/ozone_platform.h"
+#endif
+
+namespace content {
+
+namespace {
+
+base::LazyInstance<IDMap<GpuProcessHostUIShim*>>::Leaky g_hosts_by_id =
+    LAZY_INSTANCE_INITIALIZER;
+
+#if defined(OS_ANDROID)
+template <typename Interface>
+void BindJavaInterface(mojo::InterfaceRequest<Interface> request) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  content::GetGlobalJavaInterfaces()->GetInterface(std::move(request));
+}
+#endif
+
+}  // namespace
+
+void RouteToGpuProcessHostUIShimTask(int host_id, const IPC::Message& msg) {
+  GpuProcessHostUIShim* ui_shim = GpuProcessHostUIShim::FromID(host_id);
+  if (ui_shim)
+    ui_shim->OnMessageReceived(msg);
+}
+
+GpuProcessHostUIShim::GpuProcessHostUIShim(int host_id)
+    : host_id_(host_id) {
+  g_hosts_by_id.Pointer()->AddWithID(this, host_id_);
+#if defined(USE_OZONE)
+  ui::OzonePlatform::GetInstance()
+      ->GetGpuPlatformSupportHost()
+      ->OnChannelEstablished();
+#endif
+}
+
+// static
+GpuProcessHostUIShim* GpuProcessHostUIShim::Create(int host_id) {
+  DCHECK(!FromID(host_id));
+  return new GpuProcessHostUIShim(host_id);
+}
+
+// static
+void GpuProcessHostUIShim::Destroy(int host_id, const std::string& message) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+
+  GpuDataManagerImpl::GetInstance()->AddLogMessage(
+      logging::LOG_ERROR, "GpuProcessHostUIShim",
+      message);
+
+#if defined(USE_OZONE)
+  ui::OzonePlatform::GetInstance()
+      ->GetGpuPlatformSupportHost()
+      ->OnChannelDestroyed(host_id);
+#endif
+
+  delete FromID(host_id);
+}
+
+// static
+GpuProcessHostUIShim* GpuProcessHostUIShim::FromID(int host_id) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  return g_hosts_by_id.Pointer()->Lookup(host_id);
+}
+
+void GpuProcessHostUIShim::OnMessageReceived(const IPC::Message& message) {
+  DCHECK(CalledOnValidThread());
+
+#if defined(USE_OZONE)
+  if (ui::OzonePlatform::GetInstance()
+          ->GetGpuPlatformSupportHost()
+          ->OnMessageReceived(message))
+    return;
+#endif
+
+  if (message.routing_id() == MSG_ROUTING_CONTROL) {
+    NOTREACHED() << "Invalid message with type = " << message.type();
+  }
+}
+
+GpuProcessHostUIShim::~GpuProcessHostUIShim() {
+  DCHECK(CalledOnValidThread());
+  g_hosts_by_id.Pointer()->Remove(host_id_);
+}
+
+// static
+void GpuProcessHostUIShim::RegisterUIThreadMojoInterfaces(
+    service_manager::BinderRegistry* registry) {
+  auto task_runner = BrowserThread::GetTaskRunnerForThread(BrowserThread::UI);
+
+  registry->AddInterface(base::Bind(&FieldTrialRecorder::Create), task_runner);
+  registry->AddInterface(
+      base::Bind(
+          &memory_instrumentation::CoordinatorImpl::BindCoordinatorRequest,
+          base::Unretained(
+              memory_instrumentation::CoordinatorImpl::GetInstance())),
+      task_runner);
+#if defined(OS_ANDROID)
+  registry->AddInterface(
+      base::Bind(&BindJavaInterface<media::mojom::AndroidOverlayProvider>),
+      task_runner);
+#endif
+}
+
+}  // namespace content