-Wuninitialized fixes

chrome/common/autofill_messages.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/common/common_param_traits.h"
 #include "webkit/glue/form_data.h"
 #include "webkit/glue/form_field.h"
 #include "webkit/glue/password_form.h"
 #include "webkit/glue/password_form_dom_manager.h"
 
@@ skipping 10 matching lines @@
   WriteParam(m, p.form_control_type());
   WriteParam(m, p.max_length());
   WriteParam(m, p.is_autofilled());
   WriteParam(m, p.option_strings());
 }
 
 bool ParamTraits<webkit_glue::FormField>::Read(const Message* m, void** iter,
                                                param_type* p) {
   string16 label, name, value, form_control_type;
   int max_length = 0;
-  bool is_autofilled;
+  bool is_autofilled = false;  // clang pr9122
   std::vector<string16> options;
   bool result = ReadParam(m, iter, &label);
   result = result && ReadParam(m, iter, &name);
   result = result && ReadParam(m, iter, &value);
   result = result && ReadParam(m, iter, &form_control_type);
   result = result && ReadParam(m, iter, &max_length);
   result = result && ReadParam(m, iter, &is_autofilled);
   result = result && ReadParam(m, iter, &options);
   if (!result)
     return false;
@@ skipping 53 matching lines @@
       ReadParam(m, iter, &r->additional_logins) &&
       ReadParam(m, iter, &r->wait_for_username);
 }
 
 void ParamTraits<webkit_glue::PasswordFormFillData>::Log(const param_type& p,
                                                          std::string* l) {
   l->append("<PasswordFormFillData>");
 }
 
 }  // namespace IPC