Linux: Add support for chrooted renderers.

chrome/browser/browser_main.cc

 // Copyright (c) 2006-2009 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 "build/build_config.h"
 
 #include <algorithm>
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
@@ skipping 46 matching lines @@
 
 #if defined(OS_POSIX)
 // TODO(port): get rid of this include. It's used just to provide declarations
 // and stub definitions for classes we encouter during the porting effort.
 #include "chrome/common/temp_scaffolding_stubs.h"
 #include <signal.h>
 #endif
 
 #if defined(OS_LINUX)
 #include "chrome/app/breakpad_linux.h"
+#include "chrome/browser/renderer_host/render_sandbox_host_linux.h"
 #endif
 
 // TODO(port): several win-only methods have been pulled out of this, but
 // BrowserMain() as a whole needs to be broken apart so that it's usable by
 // other platforms. For now, it's just a stub. This is a serious work in
 // progress and should not be taken as an indication of a real refactoring.
 
 #if defined(OS_WIN)
 
 #include <windows.h>
@@ skipping 134 matching lines @@
 }
 #else
 // TODO(cpu): implement first run experience for other platforms.
 void AddFirstRunNewTabs(BrowserInit* browser_init,
                         const std::vector<std::wstring>& new_tabs) {
 }
 #endif
 
 }  // namespace
 
+extern void SkiaFontConfigUseDirectImplementation();
+
 // Main routine for running as the Browser process.
 int BrowserMain(const MainFunctionParams& parameters) {
   const CommandLine& parsed_command_line = parameters.command_line_;
   base::ScopedNSAutoreleasePool* pool = parameters.autorelease_pool_;
 
   // WARNING: If we get a WM_ENDSESSION objects created on the stack here
   // are NOT deleted. If you need something to run during WM_ENDSESSION add it
   // to browser_shutdown::Shutdown or BrowserProcess::EndSession.
 
   // TODO(beng, brettw): someday, break this out into sub functions with well
   //                     defined roles (e.g. pre/post-profile startup, etc).
 
 #ifdef TRACK_ALL_TASK_OBJECTS
   // Start tracking the creation and deletion of Task instance.
   // This construction MUST be done before main_message_loop, so that it is
   // destroyed after the main_message_loop.
   tracked_objects::AutoTracking tracking_objects;
 #endif
 
 #if defined(OS_POSIX)
   // We need to accept SIGCHLD, even though our handler is a no-op because
   // otherwise we cannot wait on children. (According to POSIX 2001.)
   struct sigaction action;
   memset(&action, 0, sizeof(action));
   action.sa_handler = SIGCHLDHandler;
   CHECK(sigaction(SIGCHLD, &action, NULL) == 0);
 #endif
 
+#if defined(OS_LINUX)
+  EnableCrashDumping();

[Evan Martin, 2009/05/29 22:23:03]

I think this needs to be conditional on the opt-in setting, which is why it used
to be here but then was removed.

+

[agl, 2009/05/29 22:26:59]

Thanks. That was an artifact of merging. There should be no crash dumping
changes in this patch.

+  if (parsed_command_line.HasSwitch(switches::kLinuxSandbox)) {
+    // Construct the sandbox host on the UI thread.
+    Singleton<RenderSandboxHostLinux>::get();
+  }
+  // Configure Skia in this process to use fontconfig directly.
+  SkiaFontConfigUseDirectImplementation();
+#endif
+
   // Do platform-specific things (such as finishing initializing Cocoa)
   // prior to instantiating the message loop. This could be turned into a
   // broadcast notification.
   Platform::WillInitializeMainMessageLoop(parsed_command_line);
 
   MessageLoop main_message_loop(MessageLoop::TYPE_UI);
 
   // Initialize the SystemMonitor
   base::SystemMonitor::Start();
 #if defined(OS_WIN)
@@ skipping 478 matching lines @@
   if (metrics)
     metrics->Stop();
 
   // browser_shutdown takes care of deleting browser_process, so we need to
   // release it.
   browser_process.release();
   browser_shutdown::Shutdown();
 
   return result_code;
 }