-Wuninitialized fixes

chrome/common/indexed_db_param_traits.cc

 // Copyright (c) 2010 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/indexed_db_param_traits.h"
 
 #include "chrome/common/indexed_db_key.h"
 #include "chrome/common/serialized_script_value.h"
 #include "ipc/ipc_message_utils.h"
 
 namespace IPC {
 
 void ParamTraits<SerializedScriptValue>::Write(Message* m,
                                                const param_type& p) {
   WriteParam(m, p.is_null());
   WriteParam(m, p.is_invalid());
   WriteParam(m, p.data());
 }
 
 bool ParamTraits<SerializedScriptValue>::Read(const Message* m,
                                               void** iter,
                                               param_type* r) {
-  bool is_null;
-  bool is_invalid;
+  bool is_null = false;  // clang pr9122
+  bool is_invalid = false;  // clang pr9122
   string16 data;
   bool ok =
       ReadParam(m, iter, &is_null) &&
       ReadParam(m, iter, &is_invalid) &&
       ReadParam(m, iter, &data);
   if (!ok)
   return false;
   r->set_is_null(is_null);
   r->set_is_invalid(is_invalid);
   r->set_data(data);
@@ skipping 17 matching lines @@
   WriteParam(m, p.string());
   WriteParam(m, p.date());
   WriteParam(m, p.number());
 }
 
 bool ParamTraits<IndexedDBKey>::Read(const Message* m,
                                      void** iter,
                                      param_type* r) {
   int type;
   string16 string;
-  double date;
-  double number;
+  double date = 0;  // clang pr9122
+  double number = 0;  // clang pr9122
   bool ok =
       ReadParam(m, iter, &type) &&
       ReadParam(m, iter, &string) &&
       ReadParam(m, iter, &date) &&
       ReadParam(m, iter, &number);
 
   if (!ok)
     return false;
   switch (type) {
     case WebKit::WebIDBKey::NullType:
@@ skipping 22 matching lines @@
   l->append(", ");
   LogParam(p.string(), l);
   l->append(", ");
   LogParam(p.date(), l);
   l->append(", ");
   LogParam(p.number(), l);
   l->append(")");
 }
 
 }  // namespace IPC