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

components/policy/core/common/schema_map_unittest.cc

Index: components/policy/core/common/schema_map_unittest.cc
diff --git a/components/policy/core/common/schema_map_unittest.cc b/components/policy/core/common/schema_map_unittest.cc
index ef7e336c9b6f810b5f73b2683a91c5246e7dab25..e19a70d383f5f63b9e0b507f71636fa17ede258b 100644
--- a/components/policy/core/common/schema_map_unittest.cc
+++ b/components/policy/core/common/schema_map_unittest.cc
@@ -10,6 +10,7 @@
 #include "components/policy/core/common/external_data_manager.h"
 #include "components/policy/core/common/policy_bundle.h"
 #include "components/policy/core/common/policy_map.h"
+#include "components/policy/core/common/policy_types.h"
 #include "components/policy/core/common/schema.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -141,6 +142,7 @@ TEST_F(SchemaMapTest, FilterBundle) {
   expected_bundle.Get(chrome_ns).Set("ChromePolicy",
                                      POLICY_LEVEL_MANDATORY,
                                      POLICY_SCOPE_USER,
+                                     POLICY_SOURCE_CLOUD,
                                      new base::StringValue("value"),
                                      NULL);
   bundle.CopyFrom(expected_bundle);
@@ -150,6 +152,7 @@ TEST_F(SchemaMapTest, FilterBundle) {
   bundle.Get(another_extension_ns).Set("AnotherExtensionPolicy",
                                        POLICY_LEVEL_MANDATORY,
                                        POLICY_SCOPE_USER,
+                                       POLICY_SOURCE_CLOUD,
                                        new base::StringValue("value"),
                                        NULL);
   schema_map->FilterBundle(&bundle);
@@ -161,32 +164,37 @@ TEST_F(SchemaMapTest, FilterBundle) {
   list.AppendString("a");
   list.AppendString("b");
   map.Set("list", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
-          list.DeepCopy(), NULL);
+          POLICY_SOURCE_CLOUD, list.DeepCopy(), nullptr);
   map.Set("boolean",
           POLICY_LEVEL_MANDATORY,
           POLICY_SCOPE_USER,
+          POLICY_SOURCE_CLOUD,
           new base::FundamentalValue(true),
           NULL);
   map.Set("integer",
           POLICY_LEVEL_MANDATORY,
           POLICY_SCOPE_USER,
+          POLICY_SOURCE_CLOUD,
           new base::FundamentalValue(1),
           NULL);
   map.Set("null", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
-          base::Value::CreateNullValue().release(), NULL);
+          POLICY_SOURCE_CLOUD, base::Value::CreateNullValue().release(),
+          nullptr);
   map.Set("double",
           POLICY_LEVEL_MANDATORY,
           POLICY_SCOPE_USER,
+          POLICY_SOURCE_CLOUD,
           new base::FundamentalValue(1.2),
           NULL);
   base::DictionaryValue dict;
   dict.SetString("a", "b");
   dict.SetInteger("b", 2);
   map.Set("object", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
-          dict.DeepCopy(), NULL);
+          POLICY_SOURCE_CLOUD, dict.DeepCopy(), nullptr);
   map.Set("string",
           POLICY_LEVEL_MANDATORY,
           POLICY_SCOPE_USER,
+          POLICY_SOURCE_CLOUD,
           new base::StringValue("value"),
           NULL);
 
@@ -194,6 +202,7 @@ TEST_F(SchemaMapTest, FilterBundle) {
   bundle.Get(extension_ns).Set("Unexpected",
                                POLICY_LEVEL_MANDATORY,
                                POLICY_SCOPE_USER,
+                               POLICY_SOURCE_CLOUD,
                                new base::StringValue("to-be-removed"),
                                NULL);
 
@@ -206,35 +215,41 @@ TEST_F(SchemaMapTest, FilterBundle) {
   badmap.Set("list",
              POLICY_LEVEL_MANDATORY,
              POLICY_SCOPE_USER,
+             POLICY_SOURCE_CLOUD,
              new base::FundamentalValue(false),
              NULL);
   badmap.Set("boolean",
              POLICY_LEVEL_MANDATORY,
              POLICY_SCOPE_USER,
+             POLICY_SOURCE_CLOUD,
              new base::FundamentalValue(0),
              NULL);
   badmap.Set("integer",
              POLICY_LEVEL_MANDATORY,
              POLICY_SCOPE_USER,
+             POLICY_SOURCE_CLOUD,
              new base::FundamentalValue(false),
              NULL);
   badmap.Set("null",
              POLICY_LEVEL_MANDATORY,
              POLICY_SCOPE_USER,
+             POLICY_SOURCE_CLOUD,
              new base::FundamentalValue(false),
              NULL);
   badmap.Set("double",
              POLICY_LEVEL_MANDATORY,
              POLICY_SCOPE_USER,
+             POLICY_SOURCE_CLOUD,
              new base::FundamentalValue(false),
              NULL);
   badmap.Set("object",
              POLICY_LEVEL_MANDATORY,
              POLICY_SCOPE_USER,
+             POLICY_SOURCE_CLOUD,
              new base::FundamentalValue(false),
              NULL);
   badmap.Set("string", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
-             NULL,
+             POLICY_SOURCE_CLOUD, nullptr,
              new ExternalDataFetcher(base::WeakPtr<ExternalDataManager>(),
                                      std::string()));
 
@@ -266,6 +281,7 @@ TEST_F(SchemaMapTest, LegacyComponents) {
   bundle.Get(extension_ns).Set("String",
                                POLICY_LEVEL_MANDATORY,
                                POLICY_SCOPE_USER,
+                               POLICY_SOURCE_CLOUD,
                                new base::StringValue("value 1"),
                                NULL);
 
@@ -274,6 +290,7 @@ TEST_F(SchemaMapTest, LegacyComponents) {
   bundle.Get(chrome_ns).Set("ChromePolicy",
                             POLICY_LEVEL_MANDATORY,
                             POLICY_SCOPE_USER,
+                            POLICY_SOURCE_CLOUD,
                             new base::StringValue("value 3"),
                             NULL);
 
@@ -285,6 +302,7 @@ TEST_F(SchemaMapTest, LegacyComponents) {
   bundle.Get(without_schema_ns).Set("Schemaless",
                                     POLICY_LEVEL_MANDATORY,
                                     POLICY_SCOPE_USER,
+                                    POLICY_SOURCE_CLOUD,
                                     new base::StringValue("value 2"),
                                     NULL);
 
@@ -292,6 +310,7 @@ TEST_F(SchemaMapTest, LegacyComponents) {
   bundle.Get(extension_ns).Set("Surprise",
                                POLICY_LEVEL_MANDATORY,
                                POLICY_SCOPE_USER,
+                               POLICY_SOURCE_CLOUD,
                                new base::StringValue("value 4"),
                                NULL);
 
@@ -300,6 +319,7 @@ TEST_F(SchemaMapTest, LegacyComponents) {
   bundle.Get(unknown_ns).Set("Surprise",
                              POLICY_LEVEL_MANDATORY,
                              POLICY_SCOPE_USER,
+                             POLICY_SOURCE_CLOUD,
                              new base::StringValue("value 5"),
                              NULL);