chrome/browser/chrome_browser_main_linux.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/chrome_browser_main_linux.h"
   6
   7 #if !defined(OS_CHROMEOS)
   8 #include "chrome/browser/storage_monitor/storage_monitor_linux.h"
   9 #include "content/public/browser/browser_thread.h"
  10 #endif
  11
  12 #if defined(USE_LINUX_BREAKPAD)
  13 #include <stdlib.h>
  14
  15 #include "base/command_line.h"
  16 #include "base/linux_util.h"
  17 #include "base/prefs/pref_service.h"
  18 #include "chrome/app/breakpad_linux.h"
  19 #include "chrome/common/chrome_switches.h"
  20 #include "chrome/common/env_vars.h"
  21 #include "chrome/common/pref_names.h"
  22
  23 #if defined(OS_CHROMEOS)
  24 #include "chrome/browser/chromeos/settings/cros_settings.h"
  25 #include "chrome/browser/chromeos/settings/cros_settings_names.h"
  26 #include "chrome/common/chrome_version_info.h"
  27 #include "chromeos/chromeos_switches.h"
  28 #endif
  29
  30 #endif  // defined(USE_LINUX_BREAKPAD)
  31
  32 namespace {
  33
  34 #if defined(USE_LINUX_BREAKPAD)
  35 #if !defined(OS_CHROMEOS)
  36 void GetLinuxDistroCallback() {
  37   base::GetLinuxDistro();  // Initialize base::linux_distro if needed.
  38 }
  39 #endif
  40
  41 bool IsCrashReportingEnabled(const PrefService* local_state) {
  42   // Check whether we should initialize the crash reporter. It may be disabled
  43   // through configuration policy or user preference. It must be disabled for
  44   // Guest mode on Chrome OS in Stable channel.
  45   // Also allow crash reporting to be enabled with a command-line flag if the
  46   // crash service is under control of the user. It is used by QA
  47   // testing infrastructure to switch on generation of crash reports.
  48   bool use_switch = true;
  49
  50   // Convert #define to a variable so that we can use if() rather than
  51   // #if below and so at least compile-test the Chrome code in
  52   // Chromium builds.
  53 #if defined(GOOGLE_CHROME_BUILD)
  54   bool is_chrome_build = true;
  55 #else
  56   bool is_chrome_build = false;
  57 #endif
  58
  59   // Check these settings in Chrome builds only, to reduce the chance
  60   // that we accidentally upload crash dumps from Chromium builds.
  61   bool breakpad_enabled = false;
  62   if (is_chrome_build) {
  63 #if defined(OS_CHROMEOS)
  64     bool is_guest_session = CommandLine::ForCurrentProcess()->HasSwitch(
  65         chromeos::switches::kGuestSession);
  66     bool is_stable_channel =
  67         chrome::VersionInfo::GetChannel() ==
  68         chrome::VersionInfo::CHANNEL_STABLE;
  69     // TODO(pastarmovj): Consider the TrustedGet here.
  70     bool reporting_enabled;
  71     chromeos::CrosSettings::Get()->GetBoolean(chromeos::kStatsReportingPref,
  72                                               &reporting_enabled);
  73     breakpad_enabled =
  74         !(is_guest_session && is_stable_channel) && reporting_enabled;
  75 #else
  76     const PrefService::Preference* metrics_reporting_enabled =
  77         local_state->FindPreference(prefs::kMetricsReportingEnabled);
  78     CHECK(metrics_reporting_enabled);
  79     breakpad_enabled = local_state->GetBoolean(prefs::kMetricsReportingEnabled);
  80     use_switch = metrics_reporting_enabled->IsUserModifiable();
  81 #endif  // defined(OS_CHROMEOS)
  82   }
  83
  84   if (use_switch) {
  85     // Linux Breakpad interferes with the debug stack traces produced
  86     // by EnableInProcessStackDumping(), used in browser_tests, so we
  87     // do not allow CHROME_HEADLESS=1 to enable Breakpad in Chromium
  88     // because the buildbots have CHROME_HEADLESS set.  However, we
  89     // allow CHROME_HEADLESS to enable Breakpad in Chrome for
  90     // compatibility with Breakpad/Chrome tests that may rely on this.
  91     // TODO(mseaborn): Change tests to use --enable-crash-reporter-for-testing
  92     // instead.
  93     if (is_chrome_build && !breakpad_enabled)
  94       breakpad_enabled = getenv(env_vars::kHeadless) != NULL;
  95     if (!breakpad_enabled)
  96       breakpad_enabled = CommandLine::ForCurrentProcess()->HasSwitch(
  97             switches::kEnableCrashReporterForTesting);
  98   }
  99
 100   return breakpad_enabled;
 101 }
 102 #endif  // defined(USE_LINUX_BREAKPAD)
 103
 104 }  // namespace
 105
 106 ChromeBrowserMainPartsLinux::ChromeBrowserMainPartsLinux(
 107     const content::MainFunctionParams& parameters)
 108     : ChromeBrowserMainPartsPosix(parameters) {
 109 }
 110
 111 ChromeBrowserMainPartsLinux::~ChromeBrowserMainPartsLinux() {
 112 }
 113
 114 void ChromeBrowserMainPartsLinux::PreProfileInit() {
 115 #if defined(USE_LINUX_BREAKPAD)
 116 #if !defined(OS_CHROMEOS)
 117   // Needs to be called after we have chrome::DIR_USER_DATA and
 118   // g_browser_process.  This happens in PreCreateThreads.
 119   content::BrowserThread::PostTask(content::BrowserThread::FILE,
 120                                    FROM_HERE,
 121                                    base::Bind(&GetLinuxDistroCallback));
 122 #endif
 123
 124   if (IsCrashReportingEnabled(local_state()))
 125     InitCrashReporter();
 126 #endif
 127
 128 #if !defined(OS_CHROMEOS)
 129   const base::FilePath kDefaultMtabPath("/etc/mtab");
 130   storage_monitor_.reset(new chrome::StorageMonitorLinux(kDefaultMtabPath));
 131 #endif
 132
 133   ChromeBrowserMainPartsPosix::PreProfileInit();
 134 }
 135
 136 void ChromeBrowserMainPartsLinux::PostProfileInit() {
 137 #if !defined(OS_CHROMEOS)
 138   storage_monitor_->Init();
 139 #endif
 140
 141   ChromeBrowserMainPartsPosix::PostProfileInit();
 142 }
 143
 144 void ChromeBrowserMainPartsLinux::PostMainMessageLoopRun() {
 145 #if !defined(OS_CHROMEOS)
 146   // Delete it now. Otherwise the FILE thread would be gone when we try to
 147   // release it in the dtor and Valgrind would report a leak on almost every
 148   // single browser_test.
 149   storage_monitor_.reset();
 150 #endif
 151
 152   ChromeBrowserMainPartsPosix::PostMainMessageLoopRun();
 153 }