update libwebm to libwebm-1.0.0.27-358-gdbf1d10

changelog:
https://chromium.googlesource.com/webm/libwebm/+log/libwebm-1.0.0.27-351-g9f23fbc..libwebm-1.0.0.27-358-gdbf1d10

Change-Id: I3cfa1da9e365dc1ae47c962a89eb7653b358e18e
diff --git a/third_party/libwebm/README.libaom b/third_party/libwebm/README.libaom
index 17b2f47..16f1751 100644
--- a/third_party/libwebm/README.libaom
+++ b/third_party/libwebm/README.libaom
@@ -1,5 +1,5 @@
 URL: https://chromium.googlesource.com/webm/libwebm
-Version: 9f23fbc50e7a76c815b1d3f0309abe1066301331
+Version: dbf1d1089756e7cb5b1a04d6752310ef35912347
 License: BSD
 License File: LICENSE.txt
 
diff --git a/third_party/libwebm/common/file_util.cc b/third_party/libwebm/common/file_util.cc
index e6109d5..6eb6428 100644
--- a/third_party/libwebm/common/file_util.cc
+++ b/third_party/libwebm/common/file_util.cc
@@ -24,8 +24,8 @@
 std::string GetTempFileName() {
 #if !defined _MSC_VER && !defined __MINGW32__
   std::string temp_file_name_template_str =
-      std::string(std::getenv("TEST_TMPDIR") ? std::getenv("TEST_TMPDIR") :
-                                               ".") +
+      std::string(std::getenv("TEST_TMPDIR") ? std::getenv("TEST_TMPDIR")
+                                             : ".") +
       "/libwebm_temp.XXXXXX";
   char* temp_file_name_template =
       new char[temp_file_name_template_str.length() + 1];
diff --git a/third_party/libwebm/mkvmuxer/mkvmuxerutil.cc b/third_party/libwebm/mkvmuxer/mkvmuxerutil.cc
index 3bff7cd..7636a9f 100644
--- a/third_party/libwebm/mkvmuxer/mkvmuxerutil.cc
+++ b/third_party/libwebm/mkvmuxer/mkvmuxerutil.cc
@@ -562,10 +562,10 @@
   if (relative_timecode < 0 || relative_timecode > kMaxBlockTimecode)
     return 0;
 
-  return frame->CanBeSimpleBlock() ?
-             WriteSimpleBlock(writer, frame, relative_timecode) :
-             WriteBlock(writer, frame, relative_timecode,
-                        cluster->timecode_scale());
+  return frame->CanBeSimpleBlock()
+             ? WriteSimpleBlock(writer, frame, relative_timecode)
+             : WriteBlock(writer, frame, relative_timecode,
+                          cluster->timecode_scale());
 }
 
 uint64 WriteVoidElement(IMkvWriter* writer, uint64 size) {
diff --git a/third_party/libwebm/mkvmuxer/mkvmuxerutil.h b/third_party/libwebm/mkvmuxer/mkvmuxerutil.h
index 132388d..3355428 100644
--- a/third_party/libwebm/mkvmuxer/mkvmuxerutil.h
+++ b/third_party/libwebm/mkvmuxer/mkvmuxerutil.h
@@ -31,6 +31,9 @@
 // Writes out |value| in Big Endian order. Returns 0 on success.
 int32 SerializeInt(IMkvWriter* writer, int64 value, int32 size);
 
+// Writes out |f| in Big Endian order. Returns 0 on success.
+int32 SerializeFloat(IMkvWriter* writer, float f);
+
 // Returns the size in bytes of the element.
 int32 GetUIntSize(uint64 value);
 int32 GetIntSize(int64 value);
diff --git a/third_party/libwebm/mkvparser/mkvparser.cc b/third_party/libwebm/mkvparser/mkvparser.cc
index 9c78ead..dcb969d 100644
--- a/third_party/libwebm/mkvparser/mkvparser.cc
+++ b/third_party/libwebm/mkvparser/mkvparser.cc
@@ -5311,7 +5311,7 @@
 
   const long long stop = pos + s.size;
 
-  Colour* colour = NULL;
+  std::unique_ptr<Colour> colour_ptr;
   std::unique_ptr<Projection> projection_ptr;
 
   while (pos < stop) {
@@ -5361,8 +5361,12 @@
       if (rate <= 0)
         return E_FILE_FORMAT_INVALID;
     } else if (id == libwebm::kMkvColour) {
-      if (!Colour::Parse(pReader, pos, size, &colour))
+      Colour* colour = NULL;
+      if (!Colour::Parse(pReader, pos, size, &colour)) {
         return E_FILE_FORMAT_INVALID;
+      } else {
+        colour_ptr.reset(colour);
+      }
     } else if (id == libwebm::kMkvProjection) {
       Projection* projection = NULL;
       if (!Projection::Parse(pReader, pos, size, &projection)) {
@@ -5404,7 +5408,7 @@
   pTrack->m_display_unit = display_unit;
   pTrack->m_stereo_mode = stereo_mode;
   pTrack->m_rate = rate;
-  pTrack->m_colour = colour;
+  pTrack->m_colour = colour_ptr.release();
   pTrack->m_colour_space = colour_space;
   pTrack->m_projection = projection_ptr.release();