Replace IOSurfaceManager by directly passing IOSurface Mach ports over Chrome IPC.

content/browser/gpu/gpu_process_host.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 "content/browser/gpu/gpu_process_host.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 54 matching lines @@
 #endif
 
 #if defined(USE_OZONE)
 #include "ui/ozone/public/ozone_switches.h"
 #endif
 
 #if defined(USE_X11) && !defined(OS_CHROMEOS)
 #include "ui/gfx/x/x11_switches.h"
 #endif
 
-#if defined(OS_MACOSX) && !defined(OS_IOS)
-#include "content/browser/browser_io_surface_manager_mac.h"
-#include "content/common/child_process_messages.h"
-#endif
-
 #if defined(OS_MACOSX)
 #include "content/browser/renderer_host/render_widget_resize_helper_mac.h"
 #endif
 
 namespace content {
 
 bool GpuProcessHost::gpu_enabled_ = true;
 bool GpuProcessHost::hardware_gpu_enabled_ = true;
 int GpuProcessHost::gpu_crash_count_ = 0;
 int GpuProcessHost::gpu_recent_crash_count_ = 0;
@@ skipping 354 matching lines @@
   DCHECK(CalledOnValidThread());
 
   SendOutstandingReplies();
 
   // In case we never started, clean up.
   while (!queued_messages_.empty()) {
     delete queued_messages_.front();
     queued_messages_.pop();
   }
 
-#if defined(OS_MACOSX) && !defined(OS_IOS)
-  if (!io_surface_manager_token_.IsZero()) {
-    BrowserIOSurfaceManager::GetInstance()->InvalidateGpuProcessToken();
-    io_surface_manager_token_.SetZero();
-  }
-#endif
-
   // This is only called on the IO thread so no race against the constructor
   // for another GpuProcessHost.
   if (g_gpu_process_hosts[kind_] == this)
     g_gpu_process_hosts[kind_] = NULL;
 
   // If there are any remaining offscreen contexts at the point the
   // GPU process exits, assume something went wrong, and block their
   // URLs from accessing client 3D APIs without prompting.
   BlockLiveOffscreenContexts();
 
@@ skipping 90 matching lines @@
     in_process_gpu_thread_->StartWithOptions(options);
 
     OnProcessLaunched();  // Fake a callback that the process is ready.
   } else if (!LaunchGpuProcess(channel_id)) {
     return false;
   }
 
   if (!Send(new GpuMsg_Initialize()))
     return false;
 
-#if defined(OS_MACOSX) && !defined(OS_IOS)
-  io_surface_manager_token_ =
-      BrowserIOSurfaceManager::GetInstance()->GenerateGpuProcessToken();
-  // Note: A valid IOSurface manager token needs to be sent to the Gpu process
-  // before any GpuMemoryBuffer allocation requests can be sent.
-  Send(new ChildProcessMsg_SetIOSurfaceManagerToken(io_surface_manager_token_));
-#endif
-
   return true;
 }
 
 bool GpuProcessHost::SetupMojo() {
   DCHECK(!mojo_application_host_);
   mojo_application_host_.reset(new MojoApplicationHost);
   return mojo_application_host_->Init();
 }
 
 void GpuProcessHost::RouteOnUIThread(const IPC::Message& message) {
@@ skipping 341 matching lines @@
 GpuProcessHost::GpuProcessKind GpuProcessHost::kind() {
   return kind_;
 }
 
 void GpuProcessHost::ForceShutdown() {
   // This is only called on the IO thread so no race against the constructor
   // for another GpuProcessHost.
   if (g_gpu_process_hosts[kind_] == this)
     g_gpu_process_hosts[kind_] = NULL;
 
-#if defined(OS_MACOSX) && !defined(OS_IOS)
-  if (!io_surface_manager_token_.IsZero()) {
-    BrowserIOSurfaceManager::GetInstance()->InvalidateGpuProcessToken();
-    io_surface_manager_token_.SetZero();
-  }
-#endif
-
   process_->ForceShutdown();
 }
 
 void GpuProcessHost::StopGpuProcess() {
   Send(new GpuMsg_Finalize());
 }
 
 bool GpuProcessHost::LaunchGpuProcess(const std::string& channel_id) {
   if (!(gpu_enabled_ &&
       GpuDataManagerImpl::GetInstance()->ShouldUseSwiftShader()) &&
@@ skipping 215 matching lines @@
   TRACE_EVENT0("gpu", "GpuProcessHost::OnCacheShader");
   ClientIdToShaderCacheMap::iterator iter =
       client_id_to_shader_cache_.find(client_id);
   // If the cache doesn't exist then this is an off the record profile.
   if (iter == client_id_to_shader_cache_.end())
     return;
   iter->second->Cache(GetShaderPrefixKey() + ":" + key, shader);
 }
 
 }  // namespace content