Cleanup use of "do { ... } while (0)".

webrtc/base/gunit.h

 /*
  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 17 matching lines @@
 // the expression in the XXXX_WAIT macros below, since that causes problems
 // when the expression is only true the first time you check it.
 #define WAIT_(ex, timeout, res)                     \
   do {                                              \
     uint32_t start = rtc::Time();                   \
     res = (ex);                                     \
     while (!res && rtc::Time() < start + timeout) { \
       rtc::Thread::Current()->ProcessMessages(1);   \
       res = (ex);                                   \
     }                                               \
-  } while (0);
+  } while (0)
 
 // The typical EXPECT_XXXX and ASSERT_XXXXs, but done until true or a timeout.
 #define EXPECT_TRUE_WAIT(ex, timeout) \
   do { \
     bool res; \
     WAIT_(ex, timeout, res); \
     if (!res) EXPECT_TRUE(ex); \
-  } while (0);
+  } while (0)
 
 #define EXPECT_EQ_WAIT(v1, v2, timeout) \
   do { \
     bool res; \
     WAIT_(v1 == v2, timeout, res); \
     if (!res) EXPECT_EQ(v1, v2); \
-  } while (0);
+  } while (0)
 
 #define ASSERT_TRUE_WAIT(ex, timeout) \
   do { \
     bool res; \
     WAIT_(ex, timeout, res); \
     if (!res) ASSERT_TRUE(ex); \
-  } while (0);
+  } while (0)
 
 #define ASSERT_EQ_WAIT(v1, v2, timeout) \
   do { \
     bool res; \
     WAIT_(v1 == v2, timeout, res); \
     if (!res) ASSERT_EQ(v1, v2); \
-  } while (0);
+  } while (0)
 
 // Version with a "soft" timeout and a margin. This logs if the timeout is
 // exceeded, but it only fails if the expression still isn't true after the
 // margin time passes.
 #define EXPECT_TRUE_WAIT_MARGIN(ex, timeout, margin) \
   do { \
     bool res; \
     WAIT_(ex, timeout, res); \
     if (res) { \
       break; \
     } \
     LOG(LS_WARNING) << "Expression " << #ex << " still not true after " << \
         timeout << "ms; waiting an additional " << margin << "ms"; \
     WAIT_(ex, margin, res); \
     if (!res) { \
       EXPECT_TRUE(ex); \
     } \
-  } while (0);
+  } while (0)
 
 #endif  // WEBRTC_BASE_GUNIT_H_