Media Session: use dictionary instead of an interface for MediaImage.

third_party/WebKit/Source/modules/modules_idl_files.gni

Index: third_party/WebKit/Source/modules/modules_idl_files.gni
diff --git a/third_party/WebKit/Source/modules/modules_idl_files.gni b/third_party/WebKit/Source/modules/modules_idl_files.gni
index 7cc18586abcd617c5489613983144d79495a8128..b74fd22f7c586127244939e579dc329d6f40d54d 100644
--- a/third_party/WebKit/Source/modules/modules_idl_files.gni
+++ b/third_party/WebKit/Source/modules/modules_idl_files.gni
@@ -144,7 +144,6 @@ modules_idl_files =
                     "mediacapturefromelement/CanvasCaptureMediaStreamTrack.idl",
                     "mediarecorder/BlobEvent.idl",
                     "mediarecorder/MediaRecorder.idl",
-                    "mediasession/MediaImage.idl",
                     "mediasession/MediaMetadata.idl",
                     "mediasession/MediaSession.idl",
                     "mediasource/MediaSource.idl",
@@ -422,7 +421,7 @@ modules_dictionary_idl_files =
                     "indexeddb/IDBVersionChangeEventInit.idl",
                     "mediarecorder/BlobEventInit.idl",
                     "mediarecorder/MediaRecorderOptions.idl",
-                    "mediasession/MediaImageInit.idl",
+                    "mediasession/MediaImage.idl",
                     "mediasession/MediaMetadataInit.idl",
                     "mediastream/ConstrainBooleanParameters.idl",
                     "mediastream/ConstrainDOMStringParameters.idl",
@@ -731,8 +730,8 @@ generated_modules_dictionary_files = [
   "$blink_modules_output_dir/mediarecorder/BlobEventInit.h",
   "$blink_modules_output_dir/mediarecorder/MediaRecorderOptions.cpp",
   "$blink_modules_output_dir/mediarecorder/MediaRecorderOptions.h",
-  "$blink_modules_output_dir/mediasession/MediaImageInit.cpp",
-  "$blink_modules_output_dir/mediasession/MediaImageInit.h",
+  "$blink_modules_output_dir/mediasession/MediaImage.cpp",
+  "$blink_modules_output_dir/mediasession/MediaImage.h",
   "$blink_modules_output_dir/mediasession/MediaMetadataInit.cpp",
   "$blink_modules_output_dir/mediasession/MediaMetadataInit.h",
   "$blink_modules_output_dir/mediastream/ConstrainBooleanParameters.cpp",