Componentize safe_browsing: factor out SafeBrowsingURLRequestContextGetter.

components/safe_browsing/common/safebrowsing_constants.cc

Index: components/safe_browsing/common/safebrowsing_constants.cc
diff --git a/components/safe_browsing/common/safebrowsing_constants.cc b/components/safe_browsing/common/safebrowsing_constants.cc
index 543f725e964c14f23d7bb412dc433d0a4fbf71bd..22e6de0cdf396302a3b3680b4672685365b701e6 100644
--- a/components/safe_browsing/common/safebrowsing_constants.cc
+++ b/components/safe_browsing/common/safebrowsing_constants.cc
@@ -9,4 +9,8 @@ namespace safe_browsing {
 const base::FilePath::CharType kSafeBrowsingBaseFilename[] =
     FILE_PATH_LITERAL("Safe Browsing");
 
+const base::FilePath::CharType kCookiesFile[] = FILE_PATH_LITERAL(" Cookies");
+const base::FilePath::CharType kChannelIDFile[] =
+    FILE_PATH_LITERAL(" Channel IDs");
+
 }  // namespace safe_browsing