Remove Chrome Frame code and resources.

chrome_frame/chrome_frame_helper_main.cc

Index: chrome_frame/chrome_frame_helper_main.cc
diff --git a/chrome_frame/chrome_frame_helper_main.cc b/chrome_frame/chrome_frame_helper_main.cc
deleted file mode 100644
index 27e1555a86e4b560525b1eca15343a1ed7422ef3..0000000000000000000000000000000000000000
--- a/chrome_frame/chrome_frame_helper_main.cc
+++ /dev/null
@@ -1,273 +0,0 @@
-// 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.
-//
-// chrome_frame_helper_main.cc : The .exe that bootstraps the
-// chrome_frame_helper.dll.
-//
-// This is a small exe that loads the hook dll to set the event hooks and then
-// waits in a message loop. It is intended to be shut down by looking for a
-// window with the class and title
-// kChromeFrameHelperWindowClassName and kChromeFrameHelperWindowName and then
-// sending that window a WM_CLOSE message.
-//
-
-#include <crtdbg.h>
-#include <objbase.h>
-#include <stdlib.h>
-#include <windows.h>
-
-#include "chrome_frame/chrome_frame_helper_util.h"
-#include "chrome_frame/crash_server_init.h"
-#include "chrome_frame/registry_watcher.h"
-
-namespace {
-
-// Window class and window names.
-const wchar_t kChromeFrameHelperWindowClassName[] =
-    L"ChromeFrameHelperWindowClass";
-const wchar_t kChromeFrameHelperWindowName[] =
-    L"ChromeFrameHelperWindowName";
-
-const wchar_t kChromeFrameClientStateKey[] =
-    L"Software\\Google\\Update\\ClientState\\"
-    L"{8BA986DA-5100-405E-AA35-86F34A02ACBF}";
-const wchar_t kChromeFrameUninstallCmdExeValue[] = L"UninstallString";
-const wchar_t kChromeFrameUninstallCmdArgsValue[] = L"UninstallArguments";
-
-const wchar_t kBHORegistrationPath[] =
-    L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Explorer"
-    L"\\Browser Helper Objects";
-
-const wchar_t kStartupArg[] = L"--startup";
-const wchar_t kForceUninstall[] = L"--force-uninstall";
-
-HWND g_hwnd = NULL;
-const UINT kRegistryWatcherChangeMessage = WM_USER + 42;
-
-}  // namespace
-
-// Small helper class that assists in loading the DLL that contains code
-// to register our event hook callback. Automatically removes the hook and
-// unloads the DLL on destruction.
-class HookDllLoader {
- public:
-  HookDllLoader() : dll_(NULL), start_proc_(NULL), stop_proc_(NULL) {}
-  ~HookDllLoader() {
-    if (dll_) {
-      Unload();
-    }
-  }
-
-  bool Load() {
-    dll_ = LoadLibrary(L"chrome_frame_helper.dll");
-    if (dll_) {
-      start_proc_ = GetProcAddress(dll_, "StartUserModeBrowserInjection");
-      stop_proc_ = GetProcAddress(dll_, "StopUserModeBrowserInjection");
-    }
-
-    bool result = true;
-    if (!start_proc_ || !stop_proc_) {
-      _ASSERTE(L"failed to load hook dll.");
-      result = false;
-    } else {
-      if (FAILED(start_proc_())) {
-        _ASSERTE(L"failed to initialize hook dll.");
-        result = false;
-      }
-    }
-    return result;
-  }
-
-  void Unload() {
-    if (stop_proc_) {
-      stop_proc_();
-    }
-    if (dll_) {
-      FreeLibrary(dll_);
-    }
-  }
-
- private:
-  HMODULE dll_;
-  PROC start_proc_;
-  PROC stop_proc_;
-};
-
-// Checks the window title and then class of hwnd. If they match with that
-// of a chrome_frame_helper.exe window, then add it to the list of windows
-// pointed to by lparam.
-BOOL CALLBACK CloseHelperWindowsEnumProc(HWND hwnd, LPARAM lparam) {
-  _ASSERTE(lparam != 0);
-
-  wchar_t title_buffer[MAX_PATH] = {0};
-  if (GetWindowText(hwnd, title_buffer, MAX_PATH)) {
-    if (lstrcmpiW(title_buffer, kChromeFrameHelperWindowName) == 0) {
-      wchar_t class_buffer[MAX_PATH] = {0};
-      if (GetClassName(hwnd, class_buffer, MAX_PATH)) {
-        if (lstrcmpiW(class_buffer, kChromeFrameHelperWindowClassName) == 0) {
-          if (hwnd != reinterpret_cast<HWND>(lparam)) {
-            PostMessage(hwnd, WM_CLOSE, 0, 0);
-          }
-        }
-      }
-    }
-  }
-
-  return TRUE;
-}
-
-// Enumerates all top level windows, looking for those that look like a
-// Chrome Frame helper window. It then closes all of them except for
-// except_me.
-void CloseAllHelperWindowsApartFrom(HWND except_me) {
-  EnumWindows(CloseHelperWindowsEnumProc, reinterpret_cast<LPARAM>(except_me));
-}
-
-LRESULT CALLBACK ChromeFrameHelperWndProc(HWND hwnd,
-                                          UINT message,
-                                          WPARAM wparam,
-                                          LPARAM lparam) {
-  switch (message) {
-    case WM_CREATE:
-      CloseAllHelperWindowsApartFrom(hwnd);
-      break;
-    case kRegistryWatcherChangeMessage:
-      // A system level Chrome appeared. Fall through:
-    case WM_DESTROY:
-      PostQuitMessage(0);
-      break;
-    default:
-      return ::DefWindowProc(hwnd, message, wparam, lparam);
-  }
-  return 0;
-}
-
-HWND RegisterAndCreateWindow(HINSTANCE hinstance) {
-  WNDCLASSEX wcex = {0};
-  wcex.cbSize         = sizeof(WNDCLASSEX);
-  wcex.lpfnWndProc    = ChromeFrameHelperWndProc;
-  wcex.hInstance      = GetModuleHandle(NULL);
-  wcex.hbrBackground  = reinterpret_cast<HBRUSH>(COLOR_WINDOW+1);
-  wcex.lpszClassName  = kChromeFrameHelperWindowClassName;
-  RegisterClassEx(&wcex);
-
-  HWND hwnd = CreateWindow(kChromeFrameHelperWindowClassName,
-      kChromeFrameHelperWindowName, WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, 0,
-      CW_USEDEFAULT, 0, NULL, NULL, hinstance, NULL);
-
-  return hwnd;
-}
-
-
-// This method runs the user-level Chrome Frame uninstall command. This is
-// intended to allow it to delegate to an existing system-level install.
-bool UninstallUserLevelChromeFrame() {
-  bool success = false;
-  HKEY reg_handle = NULL;
-  wchar_t reg_path_buffer[MAX_PATH] = {0};
-  LONG result = RegOpenKeyEx(HKEY_CURRENT_USER,
-                             kChromeFrameClientStateKey,
-                             0,
-                             KEY_QUERY_VALUE,
-                             &reg_handle);
-  if (result == ERROR_SUCCESS) {
-    wchar_t exe_buffer[MAX_PATH] = {0};
-    wchar_t args_buffer[MAX_PATH] = {0};
-    LONG exe_result = ReadValue(reg_handle,
-                                kChromeFrameUninstallCmdExeValue,
-                                MAX_PATH,
-                                exe_buffer);
-    LONG args_result = ReadValue(reg_handle,
-                                 kChromeFrameUninstallCmdArgsValue,
-                                 MAX_PATH,
-                                 args_buffer);
-    RegCloseKey(reg_handle);
-    reg_handle = NULL;
-
-    if (exe_result == ERROR_SUCCESS && args_result == ERROR_SUCCESS) {
-      STARTUPINFO startup_info = {0};
-      startup_info.cb = sizeof(startup_info);
-      startup_info.dwFlags = STARTF_USESHOWWINDOW;
-      startup_info.wShowWindow = SW_SHOW;
-      PROCESS_INFORMATION process_info = {0};
-
-      // Quote the command string in the args.
-      wchar_t argument_string[MAX_PATH * 3] = {0};
-      int arg_len = _snwprintf(argument_string,
-                               _countof(argument_string) - 1,
-                               L"\"%s\" %s %s",
-                               exe_buffer,
-                               args_buffer,
-                               kForceUninstall);
-
-      if (arg_len > 0 && CreateProcess(exe_buffer, argument_string,
-                                       NULL, NULL, FALSE, 0, NULL, NULL,
-                                       &startup_info, &process_info)) {
-        // Close handles.
-        CloseHandle(process_info.hThread);
-        CloseHandle(process_info.hProcess);
-        success = true;
-      }
-    }
-  }
-
-  return success;
-}
-
-void WaitCallback() {
-  // Check if the Chrome Frame BHO is now in the list of registered BHOs:
-  if (IsBHOLoadingPolicyRegistered()) {
-    PostMessage(g_hwnd, kRegistryWatcherChangeMessage, 0, 0);
-  }
-}
-
-int APIENTRY wWinMain(HINSTANCE hinstance, HINSTANCE, wchar_t*, int show_cmd) {
-  google_breakpad::scoped_ptr<google_breakpad::ExceptionHandler> breakpad(
-    InitializeCrashReporting(NORMAL));
-
-  if (IsSystemLevelChromeFrameInstalled()) {
-    // If we're running at startup, check for system-level Chrome Frame
-    // installations. If we have one, time
-    // to bail, also schedule user-level CF to be uninstalled at next logon.
-    const wchar_t* cmd_line = ::GetCommandLine();
-    if (cmd_line && wcsstr(cmd_line, kStartupArg) != NULL) {
-      bool uninstalled = UninstallUserLevelChromeFrame();
-      _ASSERTE(uninstalled);
-    }
-    return 0;
-  }
-
-  // Create a window with a known class and title just to listen for WM_CLOSE
-  // messages that will shut us down.
-  g_hwnd = RegisterAndCreateWindow(hinstance);
-  _ASSERTE(IsWindow(g_hwnd));
-
-  // Load the hook dll, and set the event hooks.
-  HookDllLoader loader;
-  bool loaded = loader.Load();
-  _ASSERTE(loaded);
-
-  // Start up the registry watcher
-  RegistryWatcher registry_watcher(HKEY_LOCAL_MACHINE, kBHORegistrationPath,
-                                   WaitCallback);
-  bool watching = registry_watcher.StartWatching();
-  _ASSERTE(watching);
-
-  if (loaded) {
-    MSG msg;
-    BOOL ret;
-    // Main message loop:
-    while ((ret = GetMessage(&msg, NULL, 0, 0))) {
-      if (ret == -1) {
-        break;
-      } else {
-        TranslateMessage(&msg);
-        DispatchMessage(&msg);
-      }
-    }
-  }
-
-  UnregisterClass(kChromeFrameHelperWindowClassName, hinstance);
-  return 0;
-}