Tie multibuffers to URLs

media/blink/media_blink.gyp

Index: media/blink/media_blink.gyp
diff --git a/media/blink/media_blink.gyp b/media/blink/media_blink.gyp
index 20fdc2e06afadd36dd884f7f0268809e5bde7b78..75e0ae87e53d85d3449e2939703d5ac3fb3f6625 100644
--- a/media/blink/media_blink.gyp
+++ b/media/blink/media_blink.gyp
@@ -25,7 +25,7 @@
         '../../url/url.gyp:url_lib',
       ],
       'defines': [
-        'MEDIA_IMPLEMENTATION',
+        'MEDIA_BLINK_IMPLEMENTATION',
       ],
       # This sources list is duplicated in //media/blink/BUILD.gn
       'sources': [
@@ -49,16 +49,25 @@
         'key_system_config_selector.cc',
         'key_system_config_selector.h',
         'lru.h',
+        'media_blink_export.h',
         'multibuffer.cc',
         'multibuffer.h',
+        'multibuffer_data_source.cc',
+        'multibuffer_data_source.h',
         'multibuffer_reader.cc',
         'multibuffer_reader.h',
         'new_session_cdm_result_promise.cc',
         'new_session_cdm_result_promise.h',
         'rangemap.h',
+        'resource_multibuffer.cc',
+        'resource_multibuffer.h',
+        'resource_multibuffer_data_provider.cc',
+        'resource_multibuffer_data_provider.h',
         'texttrack_impl.cc',
         'texttrack_impl.h',
         'url_index.cc',
+        'url_index.cc',
+        'url_index.h',
         'url_index.h',
         'video_frame_compositor.cc',
         'video_frame_compositor.h',
@@ -130,6 +139,7 @@
         'mock_webframeclient.h',
         'mock_weburlloader.cc',
         'mock_weburlloader.h',
+        'multibuffer_data_source_unittest.cc',
         'multibuffer_unittest.cc',
         'rangemap_unittest.cc',
         'run_all_unittests.cc',