Add source column to chrome://policy showing the origins of policies.

chrome/browser/policy/cloud/cloud_policy_browsertest.cc

Index: chrome/browser/policy/cloud/cloud_policy_browsertest.cc
diff --git a/chrome/browser/policy/cloud/cloud_policy_browsertest.cc b/chrome/browser/policy/cloud/cloud_policy_browsertest.cc
index 946f11934e0ecba20ac01f5a41bb0a5897767c34..8ff592f2d54d9a8f436bab35de30819c66a6e26b 100644
--- a/chrome/browser/policy/cloud/cloud_policy_browsertest.cc
+++ b/chrome/browser/policy/cloud/cloud_policy_browsertest.cc
@@ -36,6 +36,7 @@
 #include "components/policy/core/common/policy_service.h"
 #include "components/policy/core/common/policy_switches.h"
 #include "components/policy/core/common/policy_test_utils.h"
+#include "components/policy/core/common/policy_types.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/test/test_utils.h"
@@ -147,16 +148,19 @@ void GetExpectedDefaultPolicy(PolicyMap* policy_map) {
   policy_map->Set(key::kChromeOsMultiProfileUserBehavior,
                   POLICY_LEVEL_MANDATORY,
                   POLICY_SCOPE_USER,
+                  POLICY_SOURCE_ENTERPRISE_DEFAULT,
                   new base::StringValue("primary-only"),
                   NULL);
   policy_map->Set(key::kEasyUnlockAllowed,
                   POLICY_LEVEL_MANDATORY,
                   POLICY_SCOPE_USER,
+                  POLICY_SOURCE_ENTERPRISE_DEFAULT,
                   new base::FundamentalValue(false),
                   NULL);
   policy_map->Set(key::kCaptivePortalAuthenticationIgnoresProxy,
                   POLICY_LEVEL_MANDATORY,
                   POLICY_SCOPE_USER,
+                  POLICY_SOURCE_ENTERPRISE_DEFAULT,
                   new base::FundamentalValue(false),
                   NULL);
 #endif
@@ -166,43 +170,53 @@ void GetExpectedTestPolicy(PolicyMap* expected, const char* homepage) {
   expected->Set(key::kShowHomeButton,
                 POLICY_LEVEL_MANDATORY,
                 POLICY_SCOPE_USER,
+                POLICY_SOURCE_CLOUD,
                 new base::FundamentalValue(true),
                 NULL);
   expected->Set(key::kRestoreOnStartup,
                 POLICY_LEVEL_MANDATORY,
                 POLICY_SCOPE_USER,
+                POLICY_SOURCE_CLOUD,
                 new base::FundamentalValue(4),
                 NULL);
   base::ListValue list;
   list.AppendString("dev.chromium.org");
   list.AppendString("youtube.com");
-  expected->Set(
-      key::kURLBlacklist, POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
-      list.DeepCopy(), NULL);
+  expected->Set(key::kURLBlacklist,
+                POLICY_LEVEL_MANDATORY,
+                POLICY_SCOPE_USER,
+                POLICY_SOURCE_CLOUD,
+                list.DeepCopy(),
+                nullptr);
   expected->Set(key::kMaxInvalidationFetchDelay,
                 POLICY_LEVEL_MANDATORY,
                 POLICY_SCOPE_USER,
+                POLICY_SOURCE_CLOUD,
                 new base::FundamentalValue(1000),
                 NULL);
   expected->Set(key::kHomepageLocation,
                 POLICY_LEVEL_RECOMMENDED,
                 POLICY_SCOPE_USER,
+                POLICY_SOURCE_CLOUD,
                 new base::StringValue(homepage),
                 NULL);
 #if defined(OS_CHROMEOS)
   expected->Set(key::kChromeOsMultiProfileUserBehavior,
                 POLICY_LEVEL_MANDATORY,
                 POLICY_SCOPE_USER,
+                POLICY_SOURCE_ENTERPRISE_DEFAULT,
                 new base::StringValue("primary-only"),
                 NULL);
   expected->Set(key::kEasyUnlockAllowed,
                 POLICY_LEVEL_MANDATORY,
                 POLICY_SCOPE_USER,
+                POLICY_SOURCE_ENTERPRISE_DEFAULT,
                 new base::FundamentalValue(false),
                 NULL);
   expected->Set(key::kCaptivePortalAuthenticationIgnoresProxy,
                 POLICY_LEVEL_MANDATORY,
                 POLICY_SCOPE_USER,
+                POLICY_SOURCE_ENTERPRISE_DEFAULT,
                 new base::FundamentalValue(false),
                 NULL);
 #endif