Explicitly initializing a local variable.

remoting/host/policy_watcher.cc

 // Copyright 2015 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.
 
 // Most of this code is copied from:
 //   src/chrome/browser/policy/asynchronous_policy_loader.{h,cc}
 
 #include "remoting/host/policy_watcher.h"
 
 #include "base/bind.h"
@@ skipping 210 matching lines @@
   // Allowing unrecognized policy names allows presence of
   // 1) comments (i.e. JSON of the form: { "_comment": "blah", ... }),
   // 2) policies intended for future/newer versions of the host,
   // 3) policies not supported on all OS-s (i.e. RemoteAccessHostMatchUsername
   //    is not supported on Windows and therefore policy_templates.json omits
   //    schema for this policy on this particular platform).
   auto strategy = policy::SCHEMA_ALLOW_UNKNOWN_TOPLEVEL;
 
   std::string path;
   std::string error;
-  bool changed;
+  bool changed = false;
   const policy::Schema* schema = GetPolicySchema();
   if (schema->Normalize(policy_dict.get(), strategy, &path, &error, &changed)) {
     if (changed) {
       LOG(WARNING) << "Unknown (unrecognized or unsupported) policy: " << path
                    << ": " << error;
     }
     UpdatePolicies(policy_dict.get());
   } else {
     LOG(ERROR) << "Invalid policy contents: " << path << ": " << error;
     SignalPolicyError();
@@ skipping 56 matching lines @@
       policy::POLICY_SCOPE_MACHINE));
 #else
 #error OS that is not yet supported by PolicyWatcher code.
 #endif
 
   return PolicyWatcher::CreateFromPolicyLoader(policy_loader.Pass());
 #endif  // !(OS_CHROMEOS)
 }
 
 }  // namespace remoting