Move Linux/Android breakpad implementation to breakpad component

components/breakpad/breakpad_win.cc

Index: components/breakpad/breakpad_win.cc
diff --git a/components/breakpad/breakpad_win.cc b/components/breakpad/breakpad_win.cc
deleted file mode 100644
index 744942190d2fb6ad7fbd183f9c6c595f865d93a0..0000000000000000000000000000000000000000
--- a/components/breakpad/breakpad_win.cc
+++ /dev/null
@@ -1,768 +0,0 @@
-// Copyright 2013 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 "components/breakpad/breakpad_win.h"
-
-#include <windows.h>
-#include <shellapi.h>
-#include <tchar.h>
-#include <userenv.h>
-#include <winnt.h>
-
-#include <algorithm>
-#include <vector>
-
-#include "base/base_switches.h"
-#include "base/basictypes.h"
-#include "base/command_line.h"
-#include "base/debug/crash_logging.h"
-#include "base/environment.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/strings/string16.h"
-#include "base/strings/string_split.h"
-#include "base/strings/string_util.h"
-#include "base/strings/stringprintf.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/win/metro.h"
-#include "base/win/pe_image.h"
-#include "base/win/registry.h"
-#include "base/win/win_util.h"
-#include "breakpad/src/client/windows/handler/exception_handler.h"
-#include "components/breakpad/breakpad_client.h"
-#include "components/breakpad/hard_error_handler_win.h"
-#include "content/public/common/content_switches.h"
-#include "content/public/common/result_codes.h"
-#include "sandbox/win/src/nt_internals.h"
-#include "sandbox/win/src/sidestep/preamble_patcher.h"
-
-// userenv.dll is required for GetProfileType().
-#pragma comment(lib, "userenv.lib")
-
-#pragma intrinsic(_AddressOfReturnAddress)
-#pragma intrinsic(_ReturnAddress)
-
-namespace breakpad {
-
-// TODO(raymes): Modify the way custom crash info is stored. g_custom_entries
-// is way too too fragile. See
-// https://code.google.com/p/chromium/issues/detail?id=137062.
-std::vector<google_breakpad::CustomInfoEntry>* g_custom_entries = NULL;
-bool g_deferred_crash_uploads = false;
-
-namespace {
-
-// Minidump with stacks, PEB, TEB, and unloaded module list.
-const MINIDUMP_TYPE kSmallDumpType = static_cast<MINIDUMP_TYPE>(
-    MiniDumpWithProcessThreadData |  // Get PEB and TEB.
-    MiniDumpWithUnloadedModules);  // Get unloaded modules when available.
-
-// Minidump with all of the above, plus memory referenced from stack.
-const MINIDUMP_TYPE kLargerDumpType = static_cast<MINIDUMP_TYPE>(
-    MiniDumpWithProcessThreadData |  // Get PEB and TEB.
-    MiniDumpWithUnloadedModules |  // Get unloaded modules when available.
-    MiniDumpWithIndirectlyReferencedMemory);  // Get memory referenced by stack.
-
-// Large dump with all process memory.
-const MINIDUMP_TYPE kFullDumpType = static_cast<MINIDUMP_TYPE>(
-    MiniDumpWithFullMemory |  // Full memory from process.
-    MiniDumpWithProcessThreadData |  // Get PEB and TEB.
-    MiniDumpWithHandleData |  // Get all handle information.
-    MiniDumpWithUnloadedModules);  // Get unloaded modules when available.
-
-const char kPipeNameVar[] = "CHROME_BREAKPAD_PIPE_NAME";
-
-const wchar_t kGoogleUpdatePipeName[] = L"\\\\.\\pipe\\GoogleCrashServices\\";
-const wchar_t kChromePipeName[] = L"\\\\.\\pipe\\ChromeCrashServices";
-
-// This is the well known SID for the system principal.
-const wchar_t kSystemPrincipalSid[] =L"S-1-5-18";
-
-google_breakpad::ExceptionHandler* g_breakpad = NULL;
-google_breakpad::ExceptionHandler* g_dumphandler_no_crash = NULL;
-
-EXCEPTION_POINTERS g_surrogate_exception_pointers = {0};
-EXCEPTION_RECORD g_surrogate_exception_record = {0};
-CONTEXT g_surrogate_context = {0};
-
-typedef NTSTATUS (WINAPI* NtTerminateProcessPtr)(HANDLE ProcessHandle,
-                                                 NTSTATUS ExitStatus);
-char* g_real_terminate_process_stub = NULL;
-
-static size_t g_dynamic_keys_offset = 0;
-typedef std::map<std::wstring, google_breakpad::CustomInfoEntry*>
-    DynamicEntriesMap;
-DynamicEntriesMap* g_dynamic_entries = NULL;
-// Allow for 128 entries. POSIX uses 64 entries of 256 bytes, so Windows needs
-// 256 entries of 64 bytes to match. See CustomInfoEntry::kValueMaxLength in
-// Breakpad.
-const size_t kMaxDynamicEntries = 256;
-
-// Maximum length for plugin path to include in plugin crash reports.
-const size_t kMaxPluginPathLength = 256;
-
-// Dumps the current process memory.
-extern "C" void __declspec(dllexport) __cdecl DumpProcess() {
-  if (g_breakpad) {
-    g_breakpad->WriteMinidump();
-  }
-}
-
-// Used for dumping a process state when there is no crash.
-extern "C" void __declspec(dllexport) __cdecl DumpProcessWithoutCrash() {
-  if (g_dumphandler_no_crash) {
-    g_dumphandler_no_crash->WriteMinidump();
-  }
-}
-
-// We need to prevent ICF from folding DumpForHangDebuggingThread() and
-// DumpProcessWithoutCrashThread() together, since that makes them
-// indistinguishable in crash dumps. We do this by making the function
-// bodies unique, and prevent optimization from shuffling things around.
-MSVC_DISABLE_OPTIMIZE()
-MSVC_PUSH_DISABLE_WARNING(4748)
-
-DWORD WINAPI DumpProcessWithoutCrashThread(void*) {
-  DumpProcessWithoutCrash();
-  return 0;
-}
-
-// The following two functions do exactly the same thing as the two above. But
-// we want the signatures to be different so that we can easily track them in
-// crash reports.
-// TODO(yzshen): Remove when enough information is collected and the hang rate
-// of pepper/renderer processes is reduced.
-DWORD WINAPI DumpForHangDebuggingThread(void*) {
-  DumpProcessWithoutCrash();
-  LOG(INFO) << "dumped for hang debugging";
-  return 0;
-}
-
-MSVC_POP_WARNING()
-MSVC_ENABLE_OPTIMIZE()
-
-// Injects a thread into a remote process to dump state when there is no crash.
-extern "C" HANDLE __declspec(dllexport) __cdecl
-InjectDumpProcessWithoutCrash(HANDLE process) {
-  return CreateRemoteThread(process, NULL, 0, DumpProcessWithoutCrashThread,
-                            0, 0, NULL);
-}
-
-extern "C" HANDLE __declspec(dllexport) __cdecl
-InjectDumpForHangDebugging(HANDLE process) {
-  return CreateRemoteThread(process, NULL, 0, DumpForHangDebuggingThread,
-                            0, 0, NULL);
-}
-
-extern "C" void DumpProcessAbnormalSignature() {
-  if (!g_breakpad)
-    return;
-  g_custom_entries->push_back(
-      google_breakpad::CustomInfoEntry(L"unusual-crash-signature", L""));
-  g_breakpad->WriteMinidump();
-}
-
-// Reduces the size of the string |str| to a max of 64 chars. Required because
-// breakpad's CustomInfoEntry raises an invalid_parameter error if the string
-// we want to set is longer.
-std::wstring TrimToBreakpadMax(const std::wstring& str) {
-  std::wstring shorter(str);
-  return shorter.substr(0,
-      google_breakpad::CustomInfoEntry::kValueMaxLength - 1);
-}
-
-static void SetIntegerValue(size_t offset, int value) {
-  if (!g_custom_entries)
-    return;
-
-  base::wcslcpy((*g_custom_entries)[offset].value,
-                base::StringPrintf(L"%d", value).c_str(),
-                google_breakpad::CustomInfoEntry::kValueMaxLength);
-}
-
-// Appends the plugin path to |g_custom_entries|.
-void SetPluginPath(const std::wstring& path) {
-  DCHECK(g_custom_entries);
-
-  if (path.size() > kMaxPluginPathLength) {
-    // If the path is too long, truncate from the start rather than the end,
-    // since we want to be able to recover the DLL name.
-    SetPluginPath(path.substr(path.size() - kMaxPluginPathLength));
-    return;
-  }
-
-  // The chunk size without terminator.
-  const size_t kChunkSize = static_cast<size_t>(
-      google_breakpad::CustomInfoEntry::kValueMaxLength - 1);
-
-  int chunk_index = 0;
-  size_t chunk_start = 0;  // Current position inside |path|
-
-  for (chunk_start = 0; chunk_start < path.size(); chunk_index++) {
-    size_t chunk_length = std::min(kChunkSize, path.size() - chunk_start);
-
-    g_custom_entries->push_back(google_breakpad::CustomInfoEntry(
-        base::StringPrintf(L"plugin-path-chunk-%i", chunk_index + 1).c_str(),
-        path.substr(chunk_start, chunk_length).c_str()));
-
-    chunk_start += chunk_length;
-  }
-}
-
-// Appends the breakpad dump path to |g_custom_entries|.
-void SetBreakpadDumpPath() {
-  DCHECK(g_custom_entries);
-  base::FilePath crash_dumps_dir_path;
-  if (GetBreakpadClient()->GetAlternativeCrashDumpLocation(
-          &crash_dumps_dir_path)) {
-    g_custom_entries->push_back(google_breakpad::CustomInfoEntry(
-        L"breakpad-dump-location", crash_dumps_dir_path.value().c_str()));
-  }
-}
-
-// Returns a string containing a list of all modifiers for the loaded profile.
-std::wstring GetProfileType() {
-  std::wstring profile_type;
-  DWORD profile_bits = 0;
-  if (::GetProfileType(&profile_bits)) {
-    static const struct {
-      DWORD bit;
-      const wchar_t* name;
-    } kBitNames[] = {
-      { PT_MANDATORY, L"mandatory" },
-      { PT_ROAMING, L"roaming" },
-      { PT_TEMPORARY, L"temporary" },
-    };
-    for (size_t i = 0; i < arraysize(kBitNames); ++i) {
-      const DWORD this_bit = kBitNames[i].bit;
-      if ((profile_bits & this_bit) != 0) {
-        profile_type.append(kBitNames[i].name);
-        profile_bits &= ~this_bit;
-        if (profile_bits != 0)
-          profile_type.append(L", ");
-      }
-    }
-  } else {
-    DWORD last_error = ::GetLastError();
-    base::SStringPrintf(&profile_type, L"error %u", last_error);
-  }
-  return profile_type;
-}
-
-// Returns the custom info structure based on the dll in parameter and the
-// process type.
-google_breakpad::CustomClientInfo* GetCustomInfo(const std::wstring& exe_path,
-                                                 const std::wstring& type) {
-  base::string16 version, product;
-  base::string16 special_build;
-  base::string16 channel_name;
-  GetBreakpadClient()->GetProductNameAndVersion(
-      base::FilePath(exe_path),
-      &product,
-      &version,
-      &special_build,
-      &channel_name);
-
-  // We only expect this method to be called once per process.
-  DCHECK(!g_custom_entries);
-  g_custom_entries = new std::vector<google_breakpad::CustomInfoEntry>;
-
-  // Common g_custom_entries.
-  g_custom_entries->push_back(
-      google_breakpad::CustomInfoEntry(L"ver", UTF16ToWide(version).c_str()));
-  g_custom_entries->push_back(
-      google_breakpad::CustomInfoEntry(L"prod", UTF16ToWide(product).c_str()));
-  g_custom_entries->push_back(
-      google_breakpad::CustomInfoEntry(L"plat", L"Win32"));
-  g_custom_entries->push_back(
-      google_breakpad::CustomInfoEntry(L"ptype", type.c_str()));
-  g_custom_entries->push_back(google_breakpad::CustomInfoEntry(
-      L"channel", base::UTF16ToWide(channel_name).c_str()));
-  g_custom_entries->push_back(google_breakpad::CustomInfoEntry(
-      L"profile-type", GetProfileType().c_str()));
-
-  if (g_deferred_crash_uploads)
-    g_custom_entries->push_back(
-        google_breakpad::CustomInfoEntry(L"deferred-upload", L"true"));
-
-  if (!special_build.empty())
-    g_custom_entries->push_back(google_breakpad::CustomInfoEntry(
-        L"special", UTF16ToWide(special_build).c_str()));
-
-  if (type == L"plugin" || type == L"ppapi") {
-    std::wstring plugin_path =
-        CommandLine::ForCurrentProcess()->GetSwitchValueNative("plugin-path");
-    if (!plugin_path.empty())
-      SetPluginPath(plugin_path);
-  }
-
-  // Check whether configuration management controls crash reporting.
-  bool crash_reporting_enabled = true;
-  bool controlled_by_policy = GetBreakpadClient()->ReportingIsEnforcedByPolicy(
-      &crash_reporting_enabled);
-  const CommandLine& command = *CommandLine::ForCurrentProcess();
-  bool use_crash_service =
-      !controlled_by_policy && (command.HasSwitch(switches::kNoErrorDialogs) ||
-                                GetBreakpadClient()->IsRunningUnattended());
-  if (use_crash_service)
-    SetBreakpadDumpPath();
-
-  // Create space for dynamic ad-hoc keys. The names and values are set using
-  // the API defined in base/debug/crash_logging.h.
-  g_dynamic_keys_offset = g_custom_entries->size();
-  for (size_t i = 0; i < kMaxDynamicEntries; ++i) {
-    // The names will be mutated as they are set. Un-numbered since these are
-    // merely placeholders. The name cannot be empty because Breakpad's
-    // HTTPUpload will interpret that as an invalid parameter.
-    g_custom_entries->push_back(
-        google_breakpad::CustomInfoEntry(L"unspecified-crash-key", L""));
-  }
-  g_dynamic_entries = new DynamicEntriesMap;
-
-  static google_breakpad::CustomClientInfo custom_client_info;
-  custom_client_info.entries = &g_custom_entries->front();
-  custom_client_info.count = g_custom_entries->size();
-
-  return &custom_client_info;
-}
-
-// This callback is used when we want to get a dump without crashing the
-// process.
-bool DumpDoneCallbackWhenNoCrash(const wchar_t*, const wchar_t*, void*,
-                                 EXCEPTION_POINTERS* ex_info,
-                                 MDRawAssertionInfo*, bool) {
-  return true;
-}
-
-// This callback is executed when the browser process has crashed, after
-// the crash dump has been created. We need to minimize the amount of work
-// done here since we have potentially corrupted process. Our job is to
-// spawn another instance of chrome which will show a 'chrome has crashed'
-// dialog. This code needs to live in the exe and thus has no access to
-// facilities such as the i18n helpers.
-bool DumpDoneCallback(const wchar_t*, const wchar_t*, void*,
-                      EXCEPTION_POINTERS* ex_info,
-                      MDRawAssertionInfo*, bool) {
-  // Check if the exception is one of the kind which would not be solved
-  // by simply restarting chrome. In this case we show a message box with
-  // and exit silently. Remember that chrome is in a crashed state so we
-  // can't show our own UI from this process.
-  if (HardErrorHandler(ex_info))
-    return true;
-
-  if (!GetBreakpadClient()->AboutToRestart())
-    return true;
-
-  // Now we just start chrome browser with the same command line.
-  STARTUPINFOW si = {sizeof(si)};
-  PROCESS_INFORMATION pi;
-  if (::CreateProcessW(NULL, ::GetCommandLineW(), NULL, NULL, FALSE,
-                       CREATE_UNICODE_ENVIRONMENT, NULL, NULL, &si, &pi)) {
-    ::CloseHandle(pi.hProcess);
-    ::CloseHandle(pi.hThread);
-  }
-  // After this return we will be terminated. The actual return value is
-  // not used at all.
-  return true;
-}
-
-// flag to indicate that we are already handling an exception.
-volatile LONG handling_exception = 0;
-
-// This callback is used when there is no crash. Note: Unlike the
-// |FilterCallback| below this does not do dupe detection. It is upto the caller
-// to implement it.
-bool FilterCallbackWhenNoCrash(
-    void*, EXCEPTION_POINTERS*, MDRawAssertionInfo*) {
-  GetBreakpadClient()->RecordCrashDumpAttempt(false);
-  return true;
-}
-
-// This callback is executed when the Chrome process has crashed and *before*
-// the crash dump is created. To prevent duplicate crash reports we
-// make every thread calling this method, except the very first one,
-// go to sleep.
-bool FilterCallback(void*, EXCEPTION_POINTERS*, MDRawAssertionInfo*) {
-  // Capture every thread except the first one in the sleep. We don't
-  // want multiple threads to concurrently report exceptions.
-  if (::InterlockedCompareExchange(&handling_exception, 1, 0) == 1) {
-    ::Sleep(INFINITE);
-  }
-  GetBreakpadClient()->RecordCrashDumpAttempt(true);
-  return true;
-}
-
-// Previous unhandled filter. Will be called if not null when we
-// intercept a crash.
-LPTOP_LEVEL_EXCEPTION_FILTER previous_filter = NULL;
-
-// Exception filter used when breakpad is not enabled. We just display
-// the "Do you want to restart" message and then we call the previous filter.
-long WINAPI ChromeExceptionFilter(EXCEPTION_POINTERS* info) {
-  DumpDoneCallback(NULL, NULL, NULL, info, NULL, false);
-
-  if (previous_filter)
-    return previous_filter(info);
-
-  return EXCEPTION_EXECUTE_HANDLER;
-}
-
-// Exception filter for the service process used when breakpad is not enabled.
-// We just display the "Do you want to restart" message and then die
-// (without calling the previous filter).
-long WINAPI ServiceExceptionFilter(EXCEPTION_POINTERS* info) {
-  DumpDoneCallback(NULL, NULL, NULL, info, NULL, false);
-  return EXCEPTION_EXECUTE_HANDLER;
-}
-
-// NOTE: This function is used by SyzyASAN to annotate crash reports. If you
-// change the name or signature of this function you will break SyzyASAN
-// instrumented releases of Chrome. Please contact syzygy-team@chromium.org
-// before doing so!
-extern "C" void __declspec(dllexport) __cdecl SetCrashKeyValueImpl(
-    const wchar_t* key, const wchar_t* value) {
-  // CustomInfoEntry limits the length of key and value. If they exceed
-  // their maximum length the underlying string handling functions raise
-  // an exception and prematurely trigger a crash. Truncate here.
-  std::wstring safe_key(std::wstring(key).substr(
-      0, google_breakpad::CustomInfoEntry::kNameMaxLength  - 1));
-  std::wstring safe_value(std::wstring(value).substr(
-      0, google_breakpad::CustomInfoEntry::kValueMaxLength - 1));
-
-  // If we already have a value for this key, update it; otherwise, insert
-  // the new value if we have not exhausted the pre-allocated slots for dynamic
-  // entries.
-  DynamicEntriesMap::iterator it = g_dynamic_entries->find(safe_key);
-  google_breakpad::CustomInfoEntry* entry = NULL;
-  if (it == g_dynamic_entries->end()) {
-    if (g_dynamic_entries->size() >= kMaxDynamicEntries)
-      return;
-    entry = &(*g_custom_entries)[g_dynamic_keys_offset++];
-    g_dynamic_entries->insert(std::make_pair(safe_key, entry));
-  } else {
-    entry = it->second;
-  }
-
-  entry->set(safe_key.data(), safe_value.data());
-}
-
-extern "C" void __declspec(dllexport) __cdecl ClearCrashKeyValueImpl(
-    const wchar_t* key) {
-  std::wstring key_string(key);
-  DynamicEntriesMap::iterator it = g_dynamic_entries->find(key_string);
-  if (it == g_dynamic_entries->end())
-    return;
-
-  it->second->set_value(NULL);
-}
-
-}  // namespace
-
-bool WrapMessageBoxWithSEH(const wchar_t* text, const wchar_t* caption,
-                           UINT flags, bool* exit_now) {
-  // We wrap the call to MessageBoxW with a SEH handler because it some
-  // machines with CursorXP, PeaDict or with FontExplorer installed it crashes
-  // uncontrollably here. Being this a best effort deal we better go away.
-  __try {
-    *exit_now = (IDOK != ::MessageBoxW(NULL, text, caption, flags));
-  } __except(EXCEPTION_EXECUTE_HANDLER) {
-    // Its not safe to continue executing, exit silently here.
-    ::TerminateProcess(::GetCurrentProcess(),
-                       GetBreakpadClient()->GetResultCodeRespawnFailed());
-  }
-
-  return true;
-}
-
-// This function is executed by the child process that DumpDoneCallback()
-// spawned and basically just shows the 'chrome has crashed' dialog if
-// the CHROME_CRASHED environment variable is present.
-bool ShowRestartDialogIfCrashed(bool* exit_now) {
-  // If we are being launched in metro mode don't try to show the dialog.
-  if (base::win::IsMetroProcess())
-    return false;
-
-  // Only show this for the browser process. See crbug.com/132119.
-  const CommandLine& command_line = *CommandLine::ForCurrentProcess();
-  std::string process_type =
-      command_line.GetSwitchValueASCII(switches::kProcessType);
-  if (!process_type.empty())
-    return false;
-
-  base::string16 message;
-  base::string16 title;
-  bool is_rtl_locale;
-  if (!GetBreakpadClient()->ShouldShowRestartDialog(
-           &title, &message, &is_rtl_locale)) {
-    return false;
-  }
-
-  // If the UI layout is right-to-left, we need to pass the appropriate MB_XXX
-  // flags so that an RTL message box is displayed.
-  UINT flags = MB_OKCANCEL | MB_ICONWARNING;
-  if (is_rtl_locale)
-    flags |= MB_RIGHT | MB_RTLREADING;
-
-  return WrapMessageBoxWithSEH(base::UTF16ToWide(message).c_str(),
-                               base::UTF16ToWide(title).c_str(),
-                               flags,
-                               exit_now);
-}
-
-// Crashes the process after generating a dump for the provided exception. Note
-// that the crash reporter should be initialized before calling this function
-// for it to do anything.
-// NOTE: This function is used by SyzyASAN to invoke a crash. If you change the
-// the name or signature of this function you will break SyzyASAN instrumented
-// releases of Chrome. Please contact syzygy-team@chromium.org before doing so!
-extern "C" int __declspec(dllexport) CrashForException(
-    EXCEPTION_POINTERS* info) {
-  if (g_breakpad) {
-    g_breakpad->WriteMinidumpForException(info);
-    // Patched stub exists based on conditions (See InitCrashReporter).
-    // As a side note this function also gets called from
-    // WindowProcExceptionFilter.
-    if (g_real_terminate_process_stub == NULL) {
-      ::TerminateProcess(::GetCurrentProcess(), content::RESULT_CODE_KILLED);
-    } else {
-      NtTerminateProcessPtr real_terminate_proc =
-          reinterpret_cast<NtTerminateProcessPtr>(
-              static_cast<char*>(g_real_terminate_process_stub));
-      real_terminate_proc(::GetCurrentProcess(), content::RESULT_CODE_KILLED);
-    }
-  }
-  return EXCEPTION_CONTINUE_SEARCH;
-}
-
-NTSTATUS WINAPI HookNtTerminateProcess(HANDLE ProcessHandle,
-                                       NTSTATUS ExitStatus) {
-  if (g_breakpad &&
-      (ProcessHandle == ::GetCurrentProcess() || ProcessHandle == NULL)) {
-    NT_TIB* tib = reinterpret_cast<NT_TIB*>(NtCurrentTeb());
-    void* address_on_stack = _AddressOfReturnAddress();
-    if (address_on_stack < tib->StackLimit ||
-        address_on_stack > tib->StackBase) {
-      g_surrogate_exception_record.ExceptionAddress = _ReturnAddress();
-      g_surrogate_exception_record.ExceptionCode = DBG_TERMINATE_PROCESS;
-      g_surrogate_exception_record.ExceptionFlags = EXCEPTION_NONCONTINUABLE;
-      CrashForException(&g_surrogate_exception_pointers);
-    }
-  }
-
-  NtTerminateProcessPtr real_proc =
-      reinterpret_cast<NtTerminateProcessPtr>(
-          static_cast<char*>(g_real_terminate_process_stub));
-  return real_proc(ProcessHandle, ExitStatus);
-}
-
-static void InitTerminateProcessHooks() {
-  NtTerminateProcessPtr terminate_process_func_address =
-      reinterpret_cast<NtTerminateProcessPtr>(::GetProcAddress(
-          ::GetModuleHandle(L"ntdll.dll"), "NtTerminateProcess"));
-  if (terminate_process_func_address == NULL)
-    return;
-
-  DWORD old_protect = 0;
-  if (!::VirtualProtect(terminate_process_func_address, 5,
-                        PAGE_EXECUTE_READWRITE, &old_protect))
-    return;
-
-  g_real_terminate_process_stub = reinterpret_cast<char*>(VirtualAllocEx(
-      ::GetCurrentProcess(), NULL, sidestep::kMaxPreambleStubSize,
-      MEM_COMMIT, PAGE_EXECUTE_READWRITE));
-  if (g_real_terminate_process_stub == NULL)
-    return;
-
-  g_surrogate_exception_pointers.ContextRecord = &g_surrogate_context;
-  g_surrogate_exception_pointers.ExceptionRecord =
-      &g_surrogate_exception_record;
-
-  sidestep::SideStepError patch_result =
-      sidestep::PreamblePatcher::Patch(
-          terminate_process_func_address, HookNtTerminateProcess,
-          g_real_terminate_process_stub, sidestep::kMaxPreambleStubSize);
-  if (patch_result != sidestep::SIDESTEP_SUCCESS) {
-    CHECK(::VirtualFreeEx(::GetCurrentProcess(), g_real_terminate_process_stub,
-                    0, MEM_RELEASE));
-    CHECK(::VirtualProtect(terminate_process_func_address, 5, old_protect,
-                           &old_protect));
-    return;
-  }
-
-  DWORD dummy = 0;
-  CHECK(::VirtualProtect(terminate_process_func_address,
-                         5,
-                         old_protect,
-                         &dummy));
-  CHECK(::VirtualProtect(g_real_terminate_process_stub,
-                         sidestep::kMaxPreambleStubSize,
-                         old_protect,
-                         &old_protect));
-}
-
-static void InitPipeNameEnvVar(bool is_per_user_install) {
-  scoped_ptr<base::Environment> env(base::Environment::Create());
-  if (env->HasVar(kPipeNameVar)) {
-    // The Breakpad pipe name is already configured: nothing to do.
-    return;
-  }
-
-  // Check whether configuration management controls crash reporting.
-  bool crash_reporting_enabled = true;
-  bool controlled_by_policy = GetBreakpadClient()->ReportingIsEnforcedByPolicy(
-      &crash_reporting_enabled);
-
-  const CommandLine& command = *CommandLine::ForCurrentProcess();
-  bool use_crash_service =
-      !controlled_by_policy && (command.HasSwitch(switches::kNoErrorDialogs) ||
-                                GetBreakpadClient()->IsRunningUnattended());
-
-  std::wstring pipe_name;
-  if (use_crash_service) {
-    // Crash reporting is done by crash_service.exe.
-    pipe_name = kChromePipeName;
-  } else {
-    // We want to use the Google Update crash reporting. We need to check if the
-    // user allows it first (in case the administrator didn't already decide
-    // via policy).
-    if (!controlled_by_policy)
-      crash_reporting_enabled = GetBreakpadClient()->GetCollectStatsConsent();
-
-    if (!crash_reporting_enabled) {
-      if (!controlled_by_policy &&
-          GetBreakpadClient()->GetDeferredUploadsSupported(
-              is_per_user_install)) {
-        g_deferred_crash_uploads = true;
-      } else {
-        return;
-      }
-    }
-
-    // Build the pipe name. It can be either:
-    // System-wide install: "NamedPipe\GoogleCrashServices\S-1-5-18"
-    // Per-user install: "NamedPipe\GoogleCrashServices\<user SID>"
-    std::wstring user_sid;
-    if (is_per_user_install) {
-      if (!base::win::GetUserSidString(&user_sid)) {
-        return;
-      }
-    } else {
-      user_sid = kSystemPrincipalSid;
-    }
-
-    pipe_name = kGoogleUpdatePipeName;
-    pipe_name += user_sid;
-  }
-  env->SetVar(kPipeNameVar, WideToASCII(pipe_name));
-}
-
-void InitDefaultCrashCallback(LPTOP_LEVEL_EXCEPTION_FILTER filter) {
-  previous_filter = SetUnhandledExceptionFilter(filter);
-}
-
-void InitCrashReporter() {
-  const CommandLine& command = *CommandLine::ForCurrentProcess();
-  if (command.HasSwitch(switches::kDisableBreakpad))
-    return;
-
-  // Disable the message box for assertions.
-  _CrtSetReportMode(_CRT_ASSERT, 0);
-
-  std::wstring process_type =
-    command.GetSwitchValueNative(switches::kProcessType);
-  if (process_type.empty())
-    process_type = L"browser";
-
-  wchar_t exe_path[MAX_PATH];
-  exe_path[0] = 0;
-  GetModuleFileNameW(NULL, exe_path, MAX_PATH);
-
-  bool is_per_user_install =
-      GetBreakpadClient()->GetIsPerUserInstall(base::FilePath(exe_path));
-
-  google_breakpad::CustomClientInfo* custom_info =
-      GetCustomInfo(exe_path, process_type);
-
-  google_breakpad::ExceptionHandler::MinidumpCallback callback = NULL;
-  LPTOP_LEVEL_EXCEPTION_FILTER default_filter = NULL;
-  // We install the post-dump callback only for the browser and service
-  // processes. It spawns a new browser/service process.
-  if (process_type == L"browser") {
-    callback = &DumpDoneCallback;
-    default_filter = &ChromeExceptionFilter;
-  } else if (process_type == L"service") {
-    callback = &DumpDoneCallback;
-    default_filter = &ServiceExceptionFilter;
-  }
-
-  if (process_type == L"browser") {
-    InitPipeNameEnvVar(is_per_user_install);
-    GetBreakpadClient()->InitBrowserCrashDumpsRegKey();
-  }
-
-  scoped_ptr<base::Environment> env(base::Environment::Create());
-  std::string pipe_name_ascii;
-  if (!env->GetVar(kPipeNameVar, &pipe_name_ascii)) {
-    // Breakpad is not enabled.  Configuration is managed or the user
-    // did not allow Google Update to send crashes.  We need to use
-    // our default crash handler instead, but only for the
-    // browser/service processes.
-    if (default_filter)
-      InitDefaultCrashCallback(default_filter);
-    return;
-  }
-  std::wstring pipe_name = ASCIIToWide(pipe_name_ascii);
-
-#ifdef _WIN64
-  // The protocol for connecting to the out-of-process Breakpad crash
-  // reporter is different for x86-32 and x86-64: the message sizes
-  // are different because the message struct contains a pointer.  As
-  // a result, there are two different named pipes to connect to.  The
-  // 64-bit one is distinguished with an "-x64" suffix.
-  pipe_name += L"-x64";
-#endif
-
-  // Get the alternate dump directory. We use the temp path.
-  wchar_t temp_dir[MAX_PATH] = {0};
-  ::GetTempPathW(MAX_PATH, temp_dir);
-
-  MINIDUMP_TYPE dump_type = kSmallDumpType;
-  // Capture full memory if explicitly instructed to.
-  if (command.HasSwitch(switches::kFullMemoryCrashReport))
-    dump_type = kFullDumpType;
-  else if (GetBreakpadClient()->GetShouldDumpLargerDumps(is_per_user_install))
-    dump_type = kLargerDumpType;
-
-  g_breakpad = new google_breakpad::ExceptionHandler(temp_dir, &FilterCallback,
-                   callback, NULL,
-                   google_breakpad::ExceptionHandler::HANDLER_ALL,
-                   dump_type, pipe_name.c_str(), custom_info);
-
-  // Now initialize the non crash dump handler.
-  g_dumphandler_no_crash = new google_breakpad::ExceptionHandler(temp_dir,
-      &FilterCallbackWhenNoCrash,
-      &DumpDoneCallbackWhenNoCrash,
-      NULL,
-      // Set the handler to none so this handler would not be added to
-      // |handler_stack_| in |ExceptionHandler| which is a list of exception
-      // handlers.
-      google_breakpad::ExceptionHandler::HANDLER_NONE,
-      dump_type, pipe_name.c_str(), custom_info);
-
-  if (g_breakpad->IsOutOfProcess()) {
-    // Tells breakpad to handle breakpoint and single step exceptions.
-    // This might break JIT debuggers, but at least it will always
-    // generate a crashdump for these exceptions.
-    g_breakpad->set_handle_debug_exceptions(true);
-
-#ifndef _WIN64
-    if (process_type != L"browser" &&
-        !GetBreakpadClient()->IsRunningUnattended()) {
-      // Initialize the hook TerminateProcess to catch unexpected exits.
-      InitTerminateProcessHooks();
-    }
-#endif
-  }
-}
-
-}  // namespace breakpad