Added group policies to enable/disable importing of data from other browsers.

chrome/common/pref_names.h

Index: chrome/common/pref_names.h
diff --git a/chrome/common/pref_names.h b/chrome/common/pref_names.h
index 08e131867f20a39c8ce65d8438a7e84ebc054165..7e73928e8f70a84e57c25b3fc5039f7481783c06 100644
--- a/chrome/common/pref_names.h
+++ b/chrome/common/pref_names.h
@@ -246,6 +246,12 @@ extern const char kDisable3DAPIs[];
 extern const char kEnableHyperlinkAuditing[];
 extern const char kEnableReferrers[];
 
+extern const char kImportBookmarks[];
+extern const char kImportHistory[];
+extern const char kImportHomepage[];
+extern const char kImportSearchEngine[];
+extern const char kImportSavedPasswords[];
+
 #if !defined(OS_MACOSX) && !defined(OS_CHROMEOS) && defined(OS_POSIX)
 extern const char kLocalProfileId[];
 extern const char kPasswordsUseLocalProfileId[];
@@ -493,7 +499,6 @@ extern const char kCarrierDealPromoShown[];
 #endif
 
 extern const char kClearPluginLSODataEnabled[];
-
 extern const char kDiskCacheDir[];
 
 extern const char kChromeOsReleaseChannel[];