base: Remove the string logging from CHECK().

ppapi/proxy/video_frame_resource.cc

 // Copyright 2014 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 "ppapi/proxy/video_frame_resource.h"
 
 #include "base/logging.h"
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/shared_impl/var.h"
 
 namespace ppapi {
 namespace proxy {
 
 VideoFrameResource::VideoFrameResource(PP_Instance instance,
                                        int32_t index,
                                        MediaStreamBuffer* buffer)
     : Resource(OBJECT_IS_PROXY, instance),
       index_(index),
       buffer_(buffer) {
   DCHECK_EQ(buffer_->header.type, MediaStreamBuffer::TYPE_VIDEO);
 }
 
 VideoFrameResource::~VideoFrameResource() {
-  CHECK(!buffer_) << "An unused (or unrecycled) frame is destroyed.";
+  // An unused (or unrecycled) frame is destroyed.
+  CHECK(!buffer_);
 }
 
 thunk::PPB_VideoFrame_API* VideoFrameResource::AsPPB_VideoFrame_API() {
   return this;
 }
 
 PP_TimeDelta VideoFrameResource::GetTimestamp() {
   if (!buffer_) {
     VLOG(1) << "Frame is invalid";
     return 0.0;
@@ skipping 52 matching lines @@
 
 void VideoFrameResource::Invalidate() {
   DCHECK(buffer_);
   DCHECK_GE(index_, 0);
   buffer_ = NULL;
   index_ = -1;
 }
 
 }  // namespace proxy
 }  // namespace ppapi