webm_dash_manifest: Update includes.

- Update includes for current libwebm layout.
- Fix forward declaration of mkvparser::Colour.

Change-Id: I69e1f60ef72465499499dfd1b3646838bc4841bc
diff --git a/shared/webm_file.cc b/shared/webm_file.cc
index 70b2a58..a2428cb 100644
--- a/shared/webm_file.cc
+++ b/shared/webm_file.cc
@@ -21,8 +21,9 @@
 #include <utility>
 #include <vector>
 
-#include "mkvparser.hpp"
-#include "mkvreader.hpp"
+#include "mkvparser/mkvparser.h"
+#include "mkvparser/mkvreader.h"
+
 #include "webm_constants.h"
 #include "webm_incremental_reader.h"
 
diff --git a/shared/webm_file.h b/shared/webm_file.h
index 07b64f1..b8b407c 100644
--- a/shared/webm_file.h
+++ b/shared/webm_file.h
@@ -22,7 +22,6 @@
 class AudioTrack;
 class Block;
 class Cluster;
-class Colour;
 class CuePoint;
 class Cues;
 class IMkvReader;
@@ -31,6 +30,8 @@
 class SegmentInfo;
 class Track;
 class VideoTrack;
+
+struct Colour;
 }  // namespace mkvparser
 
 namespace webm_tools {
diff --git a/shared/webm_incremental_reader.cc b/shared/webm_incremental_reader.cc
index f6c1b12..855f154 100644
--- a/shared/webm_incremental_reader.cc
+++ b/shared/webm_incremental_reader.cc
@@ -13,8 +13,8 @@
 #include <cstdio>
 #include <cstring>
 
-#include "mkvparser.hpp"
-#include "mkvreader.hpp"
+#include "mkvparser/mkvparser.h"
+#include "mkvparser/mkvreader.h"
 
 namespace webm_tools {
 
diff --git a/shared/webm_incremental_reader.h b/shared/webm_incremental_reader.h
index 11258cb..ef1b63c 100644
--- a/shared/webm_incremental_reader.h
+++ b/shared/webm_incremental_reader.h
@@ -11,7 +11,8 @@
 #ifndef SHARED_WEBM_INCREMENTAL_READER_H_
 #define SHARED_WEBM_INCREMENTAL_READER_H_
 
-#include "mkvreader.hpp"
+#include "mkvparser/mkvreader.h"
+
 #include "webm_tools_types.h"
 
 namespace webm_tools {
diff --git a/webm_dash_manifest/representation.cc b/webm_dash_manifest/representation.cc
index 3332240..3888c1f 100644
--- a/webm_dash_manifest/representation.cc
+++ b/webm_dash_manifest/representation.cc
@@ -10,9 +10,10 @@
 
 #include "representation.h"
 
+#include "mkvparser/mkvreader.h"
+
 #include "dash_model.h"
 #include "indent.h"
-#include "mkvreader.hpp"
 #include "webm_constants.h"
 #include "webm_file.h"