Move GetBaseAppName into install_static.

chrome/install_static/install_util.cc

Index: chrome/install_static/install_util.cc
diff --git a/chrome/install_static/install_util.cc b/chrome/install_static/install_util.cc
index 53d393de6539d18d746a6cd6a0a43218d210ee7a..8125a511efeb4223fe2e020d978bc09cac3d6209 100644
--- a/chrome/install_static/install_util.cc
+++ b/chrome/install_static/install_util.cc
@@ -329,6 +329,10 @@ const wchar_t* GetAppGuid() {
   return InstallDetails::Get().app_guid();
 }
 
+std::wstring GetBaseAppName() {
+  return InstallDetails::Get().mode().base_app_name;
+}
+
 const wchar_t* GetBaseAppId() {
   return InstallDetails::Get().base_app_id();
 }