ImageCapture: move mojom from WebKit/public to media/

media/capture/BUILD.gn

Index: media/capture/BUILD.gn
diff --git a/media/capture/BUILD.gn b/media/capture/BUILD.gn
index 04aa44d0539f1d28404045a933f49778fe8ee184..c113e36a017bc9fc7fa6910bcd1b25a57a634df4 100644
--- a/media/capture/BUILD.gn
+++ b/media/capture/BUILD.gn
@@ -3,7 +3,7 @@
 # found in the LICENSE file.
 
 import("//build/config/features.gni")
-import("//media/media_options.gni")
+import("//mojo/public/tools/bindings/mojom.gni")
 import("//testing/test.gni")
 
 source_set("capture") {
@@ -132,6 +132,12 @@ source_set("capture") {
   }
 }
 
+mojom("mojo_bindings") {
+  sources = [
+    "imagecapture/image_capture.mojom",
+  ]
+}
+
 source_set("unittests") {
   testonly = true