Remove webm_tools which is not needed

- Another minor change in segmenter_test_base: scoped_refptr can
  be passed by value, remove ".Pass".

Change-Id: I31f0cf74c5ad0aba8890d3b1845155d63d7326a0

.gitignore

@@ -21,7 +21,6 @@
 /packager/third_party/llvm-build/
 /packager/third_party/modp_b64/
 /packager/third_party/tcmalloc/
-/packager/third_party/webm-tools/src/
 /packager/third_party/yasm/source/patched-yasm/
 /packager/third_party/zlib/
 /packager/tools/clang/

DEPS

@@ -57,9 +57,6 @@ deps = {
   "src/packager/third_party/tcmalloc/chromium":
     Var("chromium_git") + "/chromium/src/third_party/tcmalloc/chromium@fa1492f75861094061043a17c0f779c3d35780bf",
 
-  "src/packager/third_party/webm-tools/src":
-    Var("chromium_git") + "/webm/webm-tools@702ff3e4bb462b24464a202f8fcf9f65cc44b6e5",
-
   "src/packager/tools/clang":
     Var("chromium_git") + "/chromium/src/tools/clang@0de8f3bb6af64e13876273c601704795d5e00faf",
 

packager/media/formats/webm/segmenter_test_base.cc

@@ -55,7 +55,7 @@ scoped_refptr<MediaSample> SegmentTestBase::CreateSample(bool is_key_frame,
   sample->set_duration(duration);
 
   cur_time_timescale_ += duration;
-  return sample.Pass();
+  return sample;
 }
 
 MuxerOptions SegmentTestBase::CreateMuxerOptions() const {