Move chrome\gpu to content\gpu.

TBR=avi
Review URL: http://codereview.chromium.org/6684015

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@77903 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 87 insertions, 0 deletions

diff --git a/content/gpu/gpu_main.cc b/content/gpu/gpu_main.cc
new file mode 100644
index 0000000..ec79ba9
--- /dev/null
+++ b/content/gpu/gpu_main.cc
@@ -0,0 +1,87 @@
+// Copyright (c) 2011 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 <stdlib.h>
+
+#if defined(OS_WIN)
+#include <windows.h>
+#endif
+
+#include "app/win/scoped_com_initializer.h"
+#include "base/environment.h"
+#include "base/message_loop.h"
+#include "base/stringprintf.h"
+#include "base/threading/platform_thread.h"
+#include "build/build_config.h"
+#include "content/common/content_switches.h"
+#include "content/common/main_function_params.h"
+#include "content/gpu/gpu_config.h"
+#include "content/gpu/gpu_process.h"
+#include "content/gpu/gpu_thread.h"
+
+#if defined(OS_MACOSX)
+#include "content/common/chrome_application_mac.h"
+#endif
+
+#if defined(USE_X11)
+#include "ui/base/x/x11_util.h"
+#endif
+
+// Main function for starting the Gpu process.
+int GpuMain(const MainFunctionParams& parameters) {
+  base::Time start_time = base::Time::Now();
+
+  const CommandLine& command_line = parameters.command_line_;
+  if (command_line.HasSwitch(switches::kGpuStartupDialog)) {
+    ChildProcess::WaitForDebugger("Gpu");
+  }
+
+#if defined(OS_MACOSX)
+  chrome_application_mac::RegisterCrApp();
+#endif
+
+  MessageLoop main_message_loop(MessageLoop::TYPE_UI);
+  base::PlatformThread::SetName("CrGpuMain");
+
+  if (!command_line.HasSwitch(switches::kSingleProcess)) {
+#if defined(OS_WIN)
+    // Prevent Windows from displaying a modal dialog on failures like not being
+    // able to load a DLL.
+    SetErrorMode(
+        SEM_FAILCRITICALERRORS |
+        SEM_NOGPFAULTERRORBOX |
+        SEM_NOOPENFILEERRORBOX);
+#elif defined(USE_X11)
+    ui::SetDefaultX11ErrorHandlers();
+#endif
+  }
+
+  app::win::ScopedCOMInitializer com_initializer;
+
+  // We can not tolerate early returns from this code, because the
+  // detection of early return of a child process is implemented using
+  // an IPC channel error. If the IPC channel is not fully set up
+  // between the browser and GPU process, and the GPU process crashes
+  // or exits early, the browser process will never detect it.  For
+  // this reason we defer all work related to the GPU until receiving
+  // the GpuMsg_Initialize message from the browser.
+  GpuProcess gpu_process;
+
+  GpuThread* gpu_thread =
+#if defined(OS_WIN)
+      new GpuThread(parameters.sandbox_info_.TargetServices());
+#else
+      new GpuThread;
+#endif
+
+  gpu_thread->Init(start_time);
+
+  gpu_process.set_main_thread(gpu_thread);
+
+  main_message_loop.Run();
+
+  gpu_thread->StopWatchdog();
+
+  return 0;
+}