RTC_[D]CHECK_op: Remove superfluous casts

webrtc/base/checks.h

 /*
  *  Copyright 2006 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 228 matching lines @@
  private:
   void Init(const char* file, int line);
 
   std::ostringstream stream_;
 };
 
 // Performs the integer division a/b and returns the result. CHECKs that the
 // remainder is zero.
 template <typename T>
 inline T CheckedDivExact(T a, T b) {
-  RTC_CHECK_EQ(a % b, static_cast<T>(0)) << a << " is not evenly divisible by "
-                                         << b;
+  RTC_CHECK_EQ(a % b, 0) << a << " is not evenly divisible by " << b;
   return a / b;
 }
 
 }  // namespace rtc
 
 #else  // __cplusplus not defined
 // C version. Lacks many features compared to the C++ version, but usage
 // guidelines are the same.
 
 #define RTC_CHECK(condition)                                             \
@@ skipping 20 matching lines @@
 #define RTC_DCHECK_EQ(a, b) RTC_DCHECK((a) == (b))
 #define RTC_DCHECK_NE(a, b) RTC_DCHECK((a) != (b))
 #define RTC_DCHECK_LE(a, b) RTC_DCHECK((a) <= (b))
 #define RTC_DCHECK_LT(a, b) RTC_DCHECK((a) < (b))
 #define RTC_DCHECK_GE(a, b) RTC_DCHECK((a) >= (b))
 #define RTC_DCHECK_GT(a, b) RTC_DCHECK((a) > (b))
 
 #endif  // __cplusplus
 
 #endif  // WEBRTC_BASE_CHECKS_H_