base: Remove the string logging from CHECK().

media/filters/source_buffer_range.cc

Index: media/filters/source_buffer_range.cc
diff --git a/media/filters/source_buffer_range.cc b/media/filters/source_buffer_range.cc
index caad8cf70aa234064953f34255ff128b8ba3800b..39b900339ccf22e48fb10755e23f0180182564c8 100644
--- a/media/filters/source_buffer_range.cc
+++ b/media/filters/source_buffer_range.cc
@@ -102,8 +102,7 @@ void SourceBufferRange::Seek(DecodeTimestamp timestamp) {
 
   KeyframeMap::iterator result = GetFirstKeyframeAtOrBefore(timestamp);
   next_buffer_index_ = result->second - keyframe_map_index_base_;
-  CHECK_LT(next_buffer_index_, static_cast<int>(buffers_.size()))
-      << next_buffer_index_ << ", size = " << buffers_.size();
+  CHECK_LT(next_buffer_index_, static_cast<int>(buffers_.size()));
 }
 
 int SourceBufferRange::GetConfigIdAtTime(DecodeTimestamp timestamp) {
@@ -317,8 +316,7 @@ size_t SourceBufferRange::DeleteGOPFromFront(BufferQueue* deleted_buffers) {
 
   if (next_buffer_index_ > -1) {
     next_buffer_index_ -= buffers_deleted;
-    CHECK_GE(next_buffer_index_, 0) << next_buffer_index_ << ", deleted "
-                                    << buffers_deleted;
+    CHECK_GE(next_buffer_index_, 0);
   }
 
   // Invalidate range start time if we've deleted the first buffer of the range.
@@ -498,16 +496,15 @@ bool SourceBufferRange::HasNextBuffer() const {
 }
 
 int SourceBufferRange::GetNextConfigId() const {
-  CHECK(HasNextBuffer()) << next_buffer_index_;
+  CHECK(HasNextBuffer());
   // If the next buffer is an audio splice frame, the next effective config id
   // comes from the first fade out preroll buffer.
   return buffers_[next_buffer_index_]->GetConfigId();
 }
 
 DecodeTimestamp SourceBufferRange::GetNextTimestamp() const {
-  CHECK(!buffers_.empty()) << next_buffer_index_;
-  CHECK(HasNextBufferPosition()) << next_buffer_index_
-                                 << ", size=" << buffers_.size();
+  CHECK(!buffers_.empty());
+  CHECK(HasNextBufferPosition());
 
   if (next_buffer_index_ >= static_cast<int>(buffers_.size())) {
     return kNoDecodeTimestamp();