Replace CHECK(x && y) with two separate CHECK() calls

webrtc/modules/desktop_capture/desktop_capturer_differ_wrapper.cc

 /*
  *  Copyright (c) 2016 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 43 matching lines @@
                 const int right,
                 const int top,
                 const int bottom,
                 const int stride,
                 DesktopRegion* const output) {
   const int block_x_offset = kBlockSize * DesktopFrame::kBytesPerPixel;
   const int width = right - left;
   const int height = bottom - top;
   const int block_count = (width - 1) / kBlockSize;
   const int last_block_width = width - block_count * kBlockSize;
-  RTC_DCHECK(last_block_width <= kBlockSize && last_block_width > 0);
+  RTC_DCHECK_GT(last_block_width, 0);
+  RTC_DCHECK_LE(last_block_width, kBlockSize);
 
   // The first block-column in a continuous dirty area in current block-row.
   int first_dirty_x_block = -1;
 
   // We always need to add dirty area into |output| in the last block, so handle
   // it separatedly.
   for (int x = 0; x < block_count; x++) {
     if (BlockDifference(old_buffer, new_buffer, height, stride)) {
       if (first_dirty_x_block == -1) {
         // This is the first dirty block in a continuous dirty area.
@@ skipping 137 matching lines @@
   last_frame_ = frame->Share();
 
   frame->set_capture_time_ms(frame->GetUnderlyingFrame()->capture_time_ms() +
                              (rtc::TimeNanos() - start_time_nanos) /
                                  rtc::kNumNanosecsPerMillisec);
   frame->set_capturer_id(frame->GetUnderlyingFrame()->capturer_id());
   callback_->OnCaptureResult(result, std::move(frame));
 }
 
 }  // namespace webrtc