Fixes for re-enabling more MSVC level 4 warnings: misc edition #2

jingle/glue/thread_wrapper_unittest.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 "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/message_loop/message_loop.h"
 #include "base/threading/thread.h"
 #include "jingle/glue/thread_wrapper.h"
 #include "testing/gmock/include/gmock/gmock.h"
@@ skipping 280 matching lines @@
       .WillOnce(DoAll(
           InvokeWithoutArgs(
               this, &ThreadWrapperTest::PingMainThread),
           DeleteMessageData()));
   target->Send(&handler1_, kTestMessage1, data);
 
   Mock::VerifyAndClearExpectations(&handler1_);
 }
 
 TEST_F(ThreadWrapperTest, Dispose) {
-  bool deleted_;
+  bool deleted_ = false;
   thread_->Dispose(new DeletableObject(&deleted_));
   EXPECT_FALSE(deleted_);
   message_loop_.RunUntilIdle();
   EXPECT_TRUE(deleted_);
 }
 
 }  // namespace jingle_glue