Revert of jni_generator: Make all object-returning natives return ScopedJavaLocalRef.

chrome/browser/android/tab_state.h

Index: chrome/browser/android/tab_state.h
diff --git a/chrome/browser/android/tab_state.h b/chrome/browser/android/tab_state.h
index 2b0182a5dba914b583761146c7af5057caad2cd7..3f5f7361724556890b7f8c3dc0b13cdd122dd76d 100644
--- a/chrome/browser/android/tab_state.h
+++ b/chrome/browser/android/tab_state.h
@@ -51,12 +51,12 @@
       bool initially_hidden);
 
   // Restores a WebContents from the passed in state.
-  static base::android::ScopedJavaLocalRef<jobject>
-  RestoreContentsFromByteBuffer(JNIEnv* env,
-                                jclass clazz,
-                                jobject state,
-                                jint saved_state_version,
-                                jboolean initially_hidden);
+  static jobject RestoreContentsFromByteBuffer(
+      JNIEnv* env,
+      jclass clazz,
+      jobject state,
+      jint saved_state_version,
+      jboolean initially_hidden);
 
   // Synthesizes a stub, single-navigation state for a tab that will be loaded
   // lazily.