Remove now-unnecessary .obj() in Java method calls.

ui/shell_dialogs/select_file_dialog_android.cc

Index: ui/shell_dialogs/select_file_dialog_android.cc
diff --git a/ui/shell_dialogs/select_file_dialog_android.cc b/ui/shell_dialogs/select_file_dialog_android.cc
index c4af2495c365125eb4c66c030b3156766ab9fe42..30c557d719a0fff4ed308e45ad7b85093292aea9 100644
--- a/ui/shell_dialogs/select_file_dialog_android.cc
+++ b/ui/shell_dialogs/select_file_dialog_android.cc
@@ -120,11 +120,9 @@ void SelectFileDialogImpl::SelectFileImpl(
 
   bool accept_multiple_files = SelectFileDialog::SELECT_OPEN_MULTI_FILE == type;
 
-  Java_SelectFileDialog_selectFile(env, java_object_.obj(),
-                                   accept_types_java.obj(),
-                                   accept_types.second,
-                                   accept_multiple_files,
-                                   owning_window->GetJavaObject().obj());
+  Java_SelectFileDialog_selectFile(env, java_object_, accept_types_java,
+                                   accept_types.second, accept_multiple_files,
+                                   owning_window->GetJavaObject());
 }
 
 bool SelectFileDialogImpl::RegisterSelectFileDialog(JNIEnv* env) {