Convert utility process CheckMediaFile IPC to mojo

chrome/common/extensions/media_parser.mojom

Index: chrome/common/extensions/media_parser.mojom
diff --git a/chrome/common/extensions/media_parser.mojom b/chrome/common/extensions/media_parser.mojom
index 16cc8464ecaacdbdfbc829d6b8649765e8fea387..c1e4e05842cd6df9a48a527fc35476fd20d5c51f 100644
--- a/chrome/common/extensions/media_parser.mojom
+++ b/chrome/common/extensions/media_parser.mojom
@@ -7,6 +7,7 @@
 
 module extensions.mojom;
 
+import "mojo/common/file.mojom";
 import "mojo/common/values.mojom";
 
 struct AttachedImage {
@@ -21,4 +22,12 @@ interface MediaParser {
       => (bool parse_success,
           mojo.common.mojom.DictionaryValue metadata,
           array<AttachedImage> attached_images);
+
+  // Validate the passed media file with sanity checks, and file decoding
+  // for up to |decode_time_ms| wall clock time. Return |success| true if
+  // |file| appears to be a well-formed media file. Note: it is still not
+  // safe to decode the file in the browser process based on the returned
+  // |success|.
+  CheckMediaFile(int64 decode_time_ms, mojo.common.mojom.File file) 

[Sam McNally, 2017/01/18 07:09:09]

Use a mojo.common.mojom.TimeDelta for |decode_time_ms| (and rename to
decode_time).

[Noel Gordon, 2017/01/19 06:33:11]

Done (and done).

+      => (bool success);
 };