Expose the "automatic downloads" content setting to extensions.

chrome/browser/extensions/api/content_settings/content_settings_apitest.cc

Index: chrome/browser/extensions/api/content_settings/content_settings_apitest.cc
diff --git a/chrome/browser/extensions/api/content_settings/content_settings_apitest.cc b/chrome/browser/extensions/api/content_settings/content_settings_apitest.cc
index cd477cda0f261e322b349b7b527890bb83ae2038..2643257eaa5b3b68ced450b50a8fa67cea6c1c40 100644
--- a/chrome/browser/extensions/api/content_settings/content_settings_apitest.cc
+++ b/chrome/browser/extensions/api/content_settings/content_settings_apitest.cc
@@ -131,6 +131,11 @@ class ExtensionContentSettingsApiTest : public ExtensionApiTest {
                                      example_url,
                                      CONTENT_SETTINGS_TYPE_PPAPI_BROKER,
                                      std::string()));
+    EXPECT_EQ(CONTENT_SETTING_ASK,
+              map->GetContentSetting(example_url,
+                                     example_url,
+                                     CONTENT_SETTINGS_TYPE_AUTOMATIC_DOWNLOADS,
+                                     std::string()));
 
     // Check content settings for www.google.com
     GURL url("http://www.google.com");
@@ -169,6 +174,10 @@ class ExtensionContentSettingsApiTest : public ExtensionApiTest {
     EXPECT_EQ(CONTENT_SETTING_BLOCK,
         map->GetContentSetting(
             url, url, CONTENT_SETTINGS_TYPE_PPAPI_BROKER, std::string()));
+    EXPECT_EQ(CONTENT_SETTING_BLOCK,
+        map->GetContentSetting(
+            url, url, CONTENT_SETTINGS_TYPE_AUTOMATIC_DOWNLOADS,
+            std::string()));
   }
 
   void CheckContentSettingsDefault() {
@@ -216,6 +225,10 @@ class ExtensionContentSettingsApiTest : public ExtensionApiTest {
     EXPECT_EQ(CONTENT_SETTING_ASK,
         map->GetContentSetting(
             url, url, CONTENT_SETTINGS_TYPE_PPAPI_BROKER, std::string()));
+    EXPECT_EQ(CONTENT_SETTING_ASK,
+        map->GetContentSetting(
+            url, url, CONTENT_SETTINGS_TYPE_AUTOMATIC_DOWNLOADS,
+            std::string()));
   }
 
  private: