android: Remove in-process sync compositor code path

content/browser/android/in_process/synchronous_compositor_registry_in_proc.cc

Index: content/browser/android/in_process/synchronous_compositor_registry_in_proc.cc
diff --git a/content/browser/android/in_process/synchronous_compositor_registry_in_proc.cc b/content/browser/android/in_process/synchronous_compositor_registry_in_proc.cc
deleted file mode 100644
index 4292a873878b77840fd2328630ac0e1c9fa6b1b1..0000000000000000000000000000000000000000
--- a/content/browser/android/in_process/synchronous_compositor_registry_in_proc.cc
+++ /dev/null
@@ -1,173 +0,0 @@
-// Copyright 2014 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/android/in_process/synchronous_compositor_registry_in_proc.h"
-
-#include "content/browser/android/in_process/synchronous_compositor_impl.h"
-#include "content/public/browser/browser_thread.h"
-
-namespace content {
-
-namespace {
-base::LazyInstance<SynchronousCompositorRegistryInProc> g_compositor_registry =
-    LAZY_INSTANCE_INITIALIZER;
-}
-
-// static
-SynchronousCompositorRegistryInProc*
-SynchronousCompositorRegistryInProc::GetInstance() {
-  return g_compositor_registry.Pointer();
-}
-
-SynchronousCompositorRegistryInProc::SynchronousCompositorRegistryInProc() {
-  DCHECK(CalledOnValidThread());
-}
-
-SynchronousCompositorRegistryInProc::~SynchronousCompositorRegistryInProc() {
-  DCHECK(CalledOnValidThread());
-}
-
-void SynchronousCompositorRegistryInProc::RegisterCompositor(
-    int routing_id,
-    SynchronousCompositorImpl* compositor) {
-  DCHECK(CalledOnValidThread());
-  DCHECK(compositor);
-  Entry& entry = entry_map_[routing_id];
-  DCHECK(!entry.compositor);
-  entry.compositor = compositor;
-  CheckIsReady(routing_id);
-}
-
-void SynchronousCompositorRegistryInProc::UnregisterCompositor(
-    int routing_id,
-    SynchronousCompositorImpl* compositor) {
-  DCHECK(CalledOnValidThread());
-  DCHECK(compositor);
-  DCHECK(entry_map_.find(routing_id) != entry_map_.end());
-  Entry& entry = entry_map_[routing_id];
-  DCHECK_EQ(compositor, entry.compositor);
-
-  if (entry.IsReady())
-    UnregisterObjects(routing_id);
-  entry.compositor = nullptr;
-  RemoveEntryIfNeeded(routing_id);
-}
-
-void SynchronousCompositorRegistryInProc::RegisterBeginFrameSource(
-    int routing_id,
-    SynchronousCompositorExternalBeginFrameSource* begin_frame_source) {
-  DCHECK(CalledOnValidThread());
-  DCHECK(begin_frame_source);
-  Entry& entry = entry_map_[routing_id];
-  DCHECK(!entry.begin_frame_source);
-  entry.begin_frame_source = begin_frame_source;
-  CheckIsReady(routing_id);
-}
-
-void SynchronousCompositorRegistryInProc::UnregisterBeginFrameSource(
-    int routing_id,
-    SynchronousCompositorExternalBeginFrameSource* begin_frame_source) {
-  DCHECK(CalledOnValidThread());
-  DCHECK(begin_frame_source);
-  DCHECK(entry_map_.find(routing_id) != entry_map_.end());
-  Entry& entry = entry_map_[routing_id];
-  DCHECK_EQ(begin_frame_source, entry.begin_frame_source);
-
-  if (entry.IsReady())
-    UnregisterObjects(routing_id);
-  entry.begin_frame_source = nullptr;
-  RemoveEntryIfNeeded(routing_id);
-}
-
-void SynchronousCompositorRegistryInProc::RegisterOutputSurface(
-    int routing_id,
-    SynchronousCompositorOutputSurface* output_surface) {
-  DCHECK(CalledOnValidThread());
-  DCHECK(output_surface);
-  Entry& entry = entry_map_[routing_id];
-  DCHECK(!entry.output_surface);
-  entry.output_surface = output_surface;
-  CheckIsReady(routing_id);
-}
-
-void SynchronousCompositorRegistryInProc::UnregisterOutputSurface(
-    int routing_id,
-    SynchronousCompositorOutputSurface* output_surface) {
-  DCHECK(CalledOnValidThread());
-  DCHECK(output_surface);
-  DCHECK(entry_map_.find(routing_id) != entry_map_.end());
-  Entry& entry = entry_map_[routing_id];
-  DCHECK_EQ(output_surface, entry.output_surface);
-
-  if (entry.IsReady())
-    UnregisterObjects(routing_id);
-  entry.output_surface = nullptr;
-  RemoveEntryIfNeeded(routing_id);
-}
-
-void SynchronousCompositorRegistryInProc::RegisterInputHandler(
-    int routing_id,
-    ui::SynchronousInputHandlerProxy* synchronous_input_handler_proxy) {
-  DCHECK(CalledOnValidThread());
-  DCHECK(synchronous_input_handler_proxy);
-  Entry& entry = entry_map_[routing_id];
-  DCHECK(!entry.synchronous_input_handler_proxy);
-  entry.synchronous_input_handler_proxy = synchronous_input_handler_proxy;
-  CheckIsReady(routing_id);
-}
-
-void SynchronousCompositorRegistryInProc::UnregisterInputHandler(
-    int routing_id) {
-  DCHECK(CalledOnValidThread());
-  DCHECK(entry_map_.find(routing_id) != entry_map_.end());
-  Entry& entry = entry_map_[routing_id];
-
-  if (entry.IsReady())
-    UnregisterObjects(routing_id);
-  entry.synchronous_input_handler_proxy = nullptr;
-  RemoveEntryIfNeeded(routing_id);
-}
-
-void SynchronousCompositorRegistryInProc::CheckIsReady(int routing_id) {
-  DCHECK(entry_map_.find(routing_id) != entry_map_.end());
-  Entry& entry = entry_map_[routing_id];
-  if (entry.IsReady()) {
-    entry.compositor->DidInitializeRendererObjects(
-        entry.output_surface, entry.begin_frame_source,
-        entry.synchronous_input_handler_proxy);
-  }
-}
-
-void SynchronousCompositorRegistryInProc::UnregisterObjects(int routing_id) {
-  DCHECK(entry_map_.find(routing_id) != entry_map_.end());
-  Entry& entry = entry_map_[routing_id];
-  DCHECK(entry.IsReady());
-  entry.compositor->DidDestroyRendererObjects();
-}
-
-void SynchronousCompositorRegistryInProc::RemoveEntryIfNeeded(int routing_id) {
-  DCHECK(entry_map_.find(routing_id) != entry_map_.end());
-  Entry& entry = entry_map_[routing_id];
-  if (!entry.compositor && !entry.begin_frame_source && !entry.output_surface &&
-      !entry.synchronous_input_handler_proxy) {
-    entry_map_.erase(routing_id);
-  }
-}
-
-bool SynchronousCompositorRegistryInProc::CalledOnValidThread() const {
-  return BrowserThread::CurrentlyOn(BrowserThread::UI);
-}
-
-SynchronousCompositorRegistryInProc::Entry::Entry()
-    : compositor(nullptr),
-      begin_frame_source(nullptr),
-      output_surface(nullptr),
-      synchronous_input_handler_proxy(nullptr) {}
-
-bool SynchronousCompositorRegistryInProc::Entry::IsReady() {
-  return compositor && begin_frame_source && output_surface &&
-         synchronous_input_handler_proxy;
-}
-
-}  // namespace content