Enable building headless_shell in MAC. This is an initial implementation with a hidden window, rath…

headless/lib/headless_content_main_delegate.cc

 // 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 "headless/lib/headless_content_main_delegate.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/lazy_instance.h"
@@ skipping 129 matching lines @@
 }
 
 void HeadlessContentMainDelegate::InitCrashReporter(
     const base::CommandLine& command_line) {
   const std::string process_type =
       command_line.GetSwitchValueASCII(switches::kProcessType);
   crash_reporter::SetCrashReporterClient(g_headless_crash_client.Pointer());
   g_headless_crash_client.Pointer()->set_crash_dumps_dir(
       browser_->options()->crash_dumps_dir);
 
+#if !defined(OS_MACOSX)
   if (!browser_->options()->enable_crash_reporter) {
     DCHECK(!breakpad::IsCrashReporterEnabled());
     return;
   }
 #if defined(HEADLESS_USE_BREAKPAD)
   if (process_type != switches::kZygoteProcess)
     breakpad::InitCrashReporter(process_type);
 #endif  // defined(HEADLESS_USE_BREAKPAD)
+#endif  // !defined(OS_MACOSX)
 }
 
 void HeadlessContentMainDelegate::PreSandboxStartup() {
   const base::CommandLine& command_line(
       *base::CommandLine::ForCurrentProcess());
 #if defined(OS_WIN)
   // Windows always needs to initialize logging, otherwise you get a renderer
   // crash.
   InitLogging(command_line);
 #else
   if (command_line.HasSwitch(switches::kEnableLogging))
     InitLogging(command_line);
 #endif
+#if !defined(OS_MACOSX)
   InitCrashReporter(command_line);
+#endif
   InitializeResourceBundle();
 }
 
 int HeadlessContentMainDelegate::RunProcess(
     const std::string& process_type,
     const content::MainFunctionParams& main_function_params) {
   if (!process_type.empty())
     return -1;
 
   base::trace_event::TraceLog::GetInstance()->SetProcessName("HeadlessBrowser");
   base::trace_event::TraceLog::GetInstance()->SetProcessSortIndex(
       kTraceEventBrowserProcessSortIndex);
 
   std::unique_ptr<content::BrowserMainRunner> browser_runner(
       content::BrowserMainRunner::Create());
 
   int exit_code = browser_runner->Initialize(main_function_params);
   DCHECK_LT(exit_code, 0) << "content::BrowserMainRunner::Initialize failed in "
                              "HeadlessContentMainDelegate::RunProcess";
 
   browser_->RunOnStartCallback();
   browser_runner->Run();
   browser_.reset();
   browser_runner->Shutdown();
 
   // Return value >=0 here to disable calling content::BrowserMain.
   return 0;
 }
 
+#if !defined(OS_MACOSX) && defined(OS_POSIX) && !defined(OS_ANDROID)
 void HeadlessContentMainDelegate::ZygoteForked() {
   const base::CommandLine& command_line(
       *base::CommandLine::ForCurrentProcess());
   const std::string process_type =
       command_line.GetSwitchValueASCII(switches::kProcessType);
   // Unconditionally try to turn on crash reporting since we do not have access
   // to the latest browser options at this point when testing. Breakpad will
   // bail out gracefully if the browser process hasn't enabled crash reporting.
   breakpad::InitCrashReporter(process_type);
 }
+#endif
 
 // static
 HeadlessContentMainDelegate* HeadlessContentMainDelegate::GetInstance() {
   return g_current_headless_content_main_delegate;
 }
 
 // static
 void HeadlessContentMainDelegate::InitializeResourceBundle() {
   base::FilePath dir_module;
   base::FilePath pak_file;
@@ skipping 23 matching lines @@
 #endif
 }
 
 content::ContentBrowserClient*
 HeadlessContentMainDelegate::CreateContentBrowserClient() {
   browser_client_.reset(new HeadlessContentBrowserClient(browser_.get()));
   return browser_client_.get();
 }
 
 }  // namespace headless