importer: Convert wstrings in ie_importer.cc to string16.

chrome/browser/importer/ie_importer.cc

 // 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.
 
 #include "chrome/browser/importer/ie_importer.h"
 
 #include <ole2.h>
 #include <intshcut.h>
 #include <pstore.h>
 #include <shlobj.h>
 #include <urlhist.h>
 
 #include <algorithm>
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/string_split.h"
 #include "base/string_util.h"
+#include "base/string16.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "base/win/registry.h"
 #include "base/win/scoped_co_mem.h"
 #include "base/win/scoped_com_initializer.h"
 #include "base/win/scoped_comptr.h"
 #include "base/win/scoped_handle.h"
 #include "base/win/windows_version.h"
 #include "chrome/browser/importer/importer_bridge.h"
 #include "chrome/browser/importer/importer_data_types.h"
 #include "chrome/browser/password_manager/ie7_password.h"
 #include "chrome/browser/search_engines/template_url.h"
 #include "chrome/browser/search_engines/template_url_prepopulate_data.h"
 #include "chrome/browser/search_engines/template_url_service.h"
 #include "chrome/common/time_format.h"
 #include "chrome/common/url_constants.h"
 #include "googleurl/src/gurl.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "webkit/glue/password_form.h"
 
 namespace {
 
 // A struct that hosts the information of AutoComplete data in PStore.
 struct AutoCompleteInfo {
-  std::wstring key;
-  std::vector<std::wstring> data;
+  string16 key;
+  std::vector<string16> data;
   bool is_url;
 };
 
 // Gets the creation time of the given file or directory.
-base::Time GetFileCreationTime(const std::wstring& file) {
+base::Time GetFileCreationTime(const string16& file) {
   base::Time creation_time;
   base::win::ScopedHandle file_handle(
       CreateFile(file.c_str(), GENERIC_READ,
                  FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
                  NULL, OPEN_EXISTING,
                  FILE_ATTRIBUTE_NORMAL | FILE_FLAG_BACKUP_SEMANTICS, NULL));
   FILETIME creation_filetime;
   if (GetFileTime(file_handle, &creation_filetime, NULL, NULL))
     creation_time = base::Time::FromFileTime(creation_filetime);
   return creation_time;
@@ skipping 54 matching lines @@
       ImportPasswordsIE7();
     bridge_->NotifyItemEnded(importer::PASSWORDS);
   }
   bridge_->NotifyEnded();
 }
 
 IEImporter::~IEImporter() {
 }
 
 void IEImporter::ImportFavorites() {
-  std::wstring path;
-
   FavoritesInfo info;
   if (!GetFavoritesInfo(&info))
     return;
 
   BookmarkVector bookmarks;
   ParseFavoritesFolder(info, &bookmarks);
 
   if (!bookmarks.empty() && !cancelled()) {
     const string16& first_folder_name =
         l10n_util::GetStringUTF16(IDS_BOOKMARK_GROUP_FROM_IE);
@@ skipping 14 matching lines @@
                                            CLSCTX_INPROC_SERVER);
   if (FAILED(result))
     return;
   base::win::ScopedComPtr<IEnumSTATURL> enum_url;
   if (SUCCEEDED(result = url_history_stg2->EnumUrls(enum_url.Receive()))) {
     std::vector<history::URLRow> rows;
     STATURL stat_url;
     ULONG fetched;
     while (!cancelled() &&
            (result = enum_url->Next(1, &stat_url, &fetched)) == S_OK) {
-      std::wstring url_string;
-      std::wstring title_string;
+      string16 url_string;
       if (stat_url.pwcsUrl) {
         url_string = stat_url.pwcsUrl;
         CoTaskMemFree(stat_url.pwcsUrl);
       }
+      string16 title_string;
       if (stat_url.pwcsTitle) {
         title_string = stat_url.pwcsTitle;
         CoTaskMemFree(stat_url.pwcsTitle);
       }
 
       GURL url(url_string);
       // Skips the URLs that are invalid or have other schemes.
       if (!url.is_valid() ||
           (std::find(kSchemes, kSchemes + total_schemes, url.scheme()) ==
            kSchemes + total_schemes))
@@ skipping 61 matching lines @@
 
   wchar_t* item_name;
   while (!cancelled() && SUCCEEDED(item->Next(1, &item_name, 0))) {
     DWORD length = 0;
     unsigned char* buffer = NULL;
     result = pstore->ReadItem(0, &AutocompleteGUID, &AutocompleteGUID,
                               item_name, &length, &buffer, NULL, 0);
     if (SUCCEEDED(result)) {
       AutoCompleteInfo ac;
       ac.key = item_name;
-      std::wstring data;
+      string16 data;
       data.insert(0, reinterpret_cast<wchar_t*>(buffer),
                   length / sizeof(wchar_t));
 
       // The key name is always ended with ":StringData".
       const wchar_t kDataSuffix[] = L":StringData";
       size_t i = ac.key.rfind(kDataSuffix);
-      if (i != std::wstring::npos && ac.key.substr(i) == kDataSuffix) {
+      if (i != string16::npos && ac.key.substr(i) == kDataSuffix) {
         ac.key.erase(i);
-        ac.is_url = (ac.key.find(L"://") != std::wstring::npos);
+        ac.is_url = (ac.key.find(L"://") != string16::npos);
         ac_list.push_back(ac);
         base::SplitString(data, L'\0', &ac_list[ac_list.size() - 1].data);
       }
       CoTaskMemFree(buffer);
     }
     CoTaskMemFree(item_name);
   }
   // Releases them before unload the dll.
   item.Release();
   pstore.Release();
@@ skipping 83 matching lines @@
 void IEImporter::ImportSearchEngines() {
   // On IE, search engines are stored in the registry, under:
   // Software\Microsoft\Internet Explorer\SearchScopes
   // Each key represents a search engine. The URL value contains the URL and
   // the DisplayName the name.
   // The default key's name is contained under DefaultScope.
   const wchar_t* kSearchScopePath =
       L"Software\\Microsoft\\Internet Explorer\\SearchScopes";
 
   base::win::RegKey key(HKEY_CURRENT_USER, kSearchScopePath, KEY_READ);
-  std::wstring default_search_engine_name;
+  string16 default_search_engine_name;
   const TemplateURL* default_search_engine = NULL;
   std::map<std::string, TemplateURL*> search_engines_map;
   key.ReadValue(L"DefaultScope", &default_search_engine_name);
   base::win::RegistryKeyIterator key_iterator(HKEY_CURRENT_USER,
                                               kSearchScopePath);
   while (key_iterator.Valid()) {
-    std::wstring sub_key_name = kSearchScopePath;
+    string16 sub_key_name = kSearchScopePath;
     sub_key_name.append(L"\\").append(key_iterator.Name());
     base::win::RegKey sub_key(HKEY_CURRENT_USER, sub_key_name.c_str(),
                               KEY_READ);
-    std::wstring wide_url;
+    string16 wide_url;
     if ((sub_key.ReadValue(L"URL", &wide_url) != ERROR_SUCCESS) ||
         wide_url.empty()) {
       VLOG(1) << "No URL for IE search engine at " << key_iterator.Name();
       ++key_iterator;
       continue;
     }
     // For the name, we try the default value first (as Live Search uses a
     // non displayable name in DisplayName, and the readable name under the
     // default value).
-    std::wstring name;
+    string16 name;
     if ((sub_key.ReadValue(NULL, &name) != ERROR_SUCCESS) || name.empty()) {
       // Try the displayable name.
       if ((sub_key.ReadValue(L"DisplayName", &name) != ERROR_SUCCESS) ||
           name.empty()) {
         VLOG(1) << "No name for IE search engine at " << key_iterator.Name();
         ++key_iterator;
         continue;
       }
     }
 
@@ skipping 38 matching lines @@
   bridge_->SetKeywords(search_engines, default_search_engine_index, true);
 }
 
 void IEImporter::ImportHomepage() {
   const wchar_t* kIESettingsMain =
       L"Software\\Microsoft\\Internet Explorer\\Main";
   const wchar_t* kIEHomepage = L"Start Page";
   const wchar_t* kIEDefaultHomepage = L"Default_Page_URL";
 
   base::win::RegKey key(HKEY_CURRENT_USER, kIESettingsMain, KEY_READ);
-  std::wstring homepage_url;
+  string16 homepage_url;
   if (key.ReadValue(kIEHomepage, &homepage_url) != ERROR_SUCCESS ||
       homepage_url.empty())
     return;
 
   GURL homepage = GURL(homepage_url);
   if (!homepage.is_valid())
     return;
 
   // Check to see if this is the default website and skip import.
   base::win::RegKey keyDefault(HKEY_LOCAL_MACHINE, kIESettingsMain, KEY_READ);
-  std::wstring default_homepage_url;
+  string16 default_homepage_url;
   LONG result = keyDefault.ReadValue(kIEDefaultHomepage, &default_homepage_url);
   if (result == ERROR_SUCCESS && !default_homepage_url.empty()) {
     if (homepage.spec() == GURL(default_homepage_url).spec())
       return;
   }
 
   bridge_->AddHomePage(homepage);
 }
 
 string16 IEImporter::ResolveInternetShortcut(const string16& file) {
@@ skipping 122 matching lines @@
   if (version < 0) {
     wchar_t buffer[128];
     DWORD buffer_length = sizeof(buffer);
     base::win::RegKey reg_key(HKEY_LOCAL_MACHINE,
         L"Software\\Microsoft\\Internet Explorer", KEY_READ);
     LONG result = reg_key.ReadValue(L"Version", buffer, &buffer_length, NULL);
     version = ((result == ERROR_SUCCESS)? _wtoi(buffer) : 0);
   }
   return version;
 }