Componentize safe_browsing [1]: create component, move messages, constants and switches.

components/safe_browsing/common/safebrowsing_switches.cc

Index: components/safe_browsing/common/safebrowsing_switches.cc
diff --git a/components/safe_browsing/common/safebrowsing_switches.cc b/components/safe_browsing/common/safebrowsing_switches.cc
new file mode 100644
index 0000000000000000000000000000000000000000..04fb912f832b54188fef49099308e1ce1decff2d
--- /dev/null
+++ b/components/safe_browsing/common/safebrowsing_switches.cc
@@ -0,0 +1,37 @@
+// Copyright 2016 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/safe_browsing/common/safebrowsing_switches.h"
+
+namespace safe_browsing {
+namespace switches {
+
+// If present, safebrowsing only performs update when
+// SafeBrowsingProtocolManager::ForceScheduleNextUpdate() is explicitly called.
+// This is used for testing only.
+const char kSbDisableAutoUpdate[] = "safebrowsing-disable-auto-update";
+
+// TODO(lzheng): Remove this flag once the feature works fine
+// (http://crbug.com/74848).
+//
+// Disables safebrowsing feature that checks download url and downloads
+// content's hash to make sure the content are not malicious.
+const char kSbDisableDownloadProtection[] =
+    "safebrowsing-disable-download-protection";
+
+// Disables safebrowsing feature that checks for blacklisted extensions.
+const char kSbDisableExtensionBlacklist[] =
+    "safebrowsing-disable-extension-blacklist";
+
+// List of comma-separated sha256 hashes of executable files which the
+// download-protection service should treat as "dangerous."  For a file to
+// show a warning, it also must be considered a dangerous filetype and not
+// be whitelisted otherwise (by signature or URL) and must be on a supported
+// OS. Hashes are in hex. This is used for manual testing when looking
+// for ways to by-pass download protection.
+const char kSbManualDownloadBlacklist[] =
+    "safebrowsing-manual-download-blacklist";
+
+}  // namespace switches
+}  // namespace safe_browsing