Merge ResourceBundle's InitSharedInstanceLocaleOnly with InitSharedInstanceWithLocale().

ui/base/resource/resource_bundle.h

Index: ui/base/resource/resource_bundle.h
diff --git a/ui/base/resource/resource_bundle.h b/ui/base/resource/resource_bundle.h
index b0e9cdb1738bf4fa6df2c116e1929eb90eff3ad4..3a3b8608ff97a5560490458c8d6106c799c34ea1 100644
--- a/ui/base/resource/resource_bundle.h
+++ b/ui/base/resource/resource_bundle.h
@@ -64,6 +64,11 @@ class UI_BASE_EXPORT ResourceBundle {
     RTL_DISABLED,
   };
 
+  enum LoadResources {
+    LOAD_COMMON_RESOURCES,
+    DO_NOT_LOAD_COMMON_RESOURCES
+  };
+
   // Delegate class that allows interception of pack file loading and resource
   // requests. The methods of this class may be called on multiple threads.
   class Delegate {
@@ -124,13 +129,11 @@ class UI_BASE_EXPORT ResourceBundle {
   // There is no way to specify which resource files are loaded, i.e. names of
   // the files are hardcoded in ResourceBundle. Fix it to allow to specify which
   // files are loaded (e.g. add a new method in Delegate).
+  // |load_resources| controls whether or not LoadCommonResources is called.
   static std::string InitSharedInstanceWithLocale(
-      const std::string& pref_locale, Delegate* delegate);
-
-  // Same as InitSharedInstanceWithLocale(), but loads only localized resources,
-  // without default resource packs.
-  static std::string InitSharedInstanceLocaleOnly(
-      const std::string& pref_locale, Delegate* delegate);
+      const std::string& pref_locale,
+      Delegate* delegate,
+      LoadResources load_resources);
 
   // Initialize the ResourceBundle using the given file region. If |region| is
   // MemoryMappedFile::Region::kWholeFile, the entire |pak_file| is used.