Move GetBaseAppName into install_static.

chrome/install_static/install_modes_unittest.cc

Index: chrome/install_static/install_modes_unittest.cc
diff --git a/chrome/install_static/install_modes_unittest.cc b/chrome/install_static/install_modes_unittest.cc
index 3e0f01bf84c5966bdf155bdb9a05bc7e56cb0785..7b8acf84ed3daab94c542629d0a1c9301480cf97 100644
--- a/chrome/install_static/install_modes_unittest.cc
+++ b/chrome/install_static/install_modes_unittest.cc
@@ -70,6 +70,12 @@ TEST(InstallModes, VerifyModes) {
     else
       ASSERT_THAT(mode.app_guid, StrEq(L""));
 
+    // Every mode must have a base app name.
+    ASSERT_THAT(mode.base_app_name, StrNe(L""));
+
+    // Every mode must have a base app id.
+    ASSERT_THAT(mode.base_app_id, StrNe(L""));
+
     // The ProgID prefix must not be empty, must be no greater than 11
     // characters long, must contain no punctuation, and may not start with a
     // digit (https://msdn.microsoft.com/library/windows/desktop/dd542719.aspx).