Remove some legacy versions of StartsWith and EndsWith.

media/filters/frame_processor_unittest.cc

Index: media/filters/frame_processor_unittest.cc
diff --git a/media/filters/frame_processor_unittest.cc b/media/filters/frame_processor_unittest.cc
index cf54bd21022a5fb1a0453ee21c95dbf0955ab404..38539c1db37e4bc144836bd4dbdb01b9ebdcbabb 100644
--- a/media/filters/frame_processor_unittest.cc
+++ b/media/filters/frame_processor_unittest.cc
@@ -104,7 +104,7 @@ class FrameProcessorTest : public testing::TestWithParam<bool> {
     BufferQueue buffers;
     for (size_t i = 0; i < timestamps.size(); i++) {
       bool is_keyframe = false;
-      if (base::EndsWith(timestamps[i], "K", true)) {
+      if (base::EndsWith(timestamps[i], "K", base::CompareCase::SENSITIVE)) {
         is_keyframe = true;
         // Remove the "K" off of the token.
         timestamps[i] = timestamps[i].substr(0, timestamps[i].length() - 1);