Enable enhanced protection through command line.

If the UX is not ready, there is no place to
manually set the enhanced protection for
testing. The command line pref store
allows mapping a command line flag with
a pref.

Bug: 1063110
Change-Id: Ib1bef9a8fd01e7db43aeb29c96b7865893206089
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2111054Reviewed-by: Daniel Rubery <drubery@chromium.org>
Reviewed-by: Dominic Battré <battre@chromium.org>
Commit-Queue: Bettina Dea <bdea@chromium.org>
Cr-Commit-Position: refs/heads/master@{#752064}

chrome/browser/prefs/chrome_command_line_pref_store.cc

@@ -27,6 +27,8 @@
 #include "components/language/core/browser/pref_names.h"
 #include "components/proxy_config/proxy_config_dictionary.h"
 #include "components/proxy_config/proxy_config_pref_names.h"
+#include "components/safe_browsing/core/common/safe_browsing_prefs.h"
+#include "components/safe_browsing/core/common/safebrowsing_switches.h"
 #include "components/sync/base/pref_names.h"
 #include "content/public/common/content_switches.h"
 #include "services/network/public/cpp/network_switches.h"
@@ -72,6 +74,8 @@ const CommandLinePrefStore::BooleanSwitchToPreferenceMapEntry
         {switches::kAllowCrossOriginAuthPrompt,
          prefs::kAllowCrossOriginAuthPrompt, true},
         {switches::kDisablePrintPreview, prefs::kPrintPreviewDisabled, true},
+        {safe_browsing::switches::kSbEnableEnhancedProtection,
+         prefs::kSafeBrowsingEnhanced, true},
 #if defined(OS_CHROMEOS)
         {chromeos::switches::kEnableTouchpadThreeFingerClick,
          prefs::kEnableTouchpadThreeFingerClick, true},

components/safe_browsing/core/common/safebrowsing_switches.cc

@@ -16,5 +16,8 @@ namespace switches {
 const char kSbManualDownloadBlacklist[] =
     "safebrowsing-manual-download-blacklist";
 
+// Enable Safe Browsing Enhanced Protection.
+const char kSbEnableEnhancedProtection[] =
+    "safebrowsing-enable-enhanced-protection";
 }  // namespace switches
 }  // namespace safe_browsing

components/safe_browsing/core/common/safebrowsing_switches.h

@@ -9,6 +9,7 @@ namespace safe_browsing {
 namespace switches {
 
 extern const char kSbManualDownloadBlacklist[];
+extern const char kSbEnableEnhancedProtection[];
 
 }  // namespace switches
 }  // namespace safe_browsing