Ensures that any accessibility attributes on Windows whose values have not been specified get a def…

content/browser/accessibility/accessibility_tree_formatter_win.cc

 // Copyright (c) 2012 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 "content/browser/accessibility/accessibility_tree_formatter.h"
 
 #include <oleacc.h>
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 327 matching lines @@
         base::string16 string_value;
         value->GetAsString(&string_value);
         WriteAttribute(false,
                        base::StringPrintf(L"%ls='%ls'",
                                     base::UTF8ToUTF16(attribute_name).c_str(),
                                     string_value.c_str()),
                        &line);
         break;
       }
       case base::Value::TYPE_INTEGER: {
-        int int_value;
+        int int_value = 0;
         value->GetAsInteger(&int_value);
         WriteAttribute(false,
                        base::StringPrintf(L"%ls=%d",
                                           base::UTF8ToUTF16(
                                               attribute_name).c_str(),
                                           int_value),
                        &line);
         break;
       }
       case base::Value::TYPE_DOUBLE: {
-        double double_value;
+        double double_value = 0.0;
         value->GetAsDouble(&double_value);
         WriteAttribute(false,
                        base::StringPrintf(L"%ls=%.2f",
                                           base::UTF8ToUTF16(
                                               attribute_name).c_str(),
                                           double_value),
                        &line);
         break;
       }
       case base::Value::TYPE_LIST: {
@@ skipping 47 matching lines @@
 
 const std::string AccessibilityTreeFormatterWin::GetAllowString() {
   return "@WIN-ALLOW:";
 }
 
 const std::string AccessibilityTreeFormatterWin::GetDenyString() {
   return "@WIN-DENY:";
 }
 
 }  // namespace content