[Video Capture Service] Move Mojo structs and enums to media/capture/mojo

media/capture/mojo/BUILD.gn

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//mojo/public/tools/bindings/mojom.gni")
 
-mojom("interfaces") {
+mojom("capture_types") {
   sources = [
-    "rappor_recorder.mojom",
+    "video_capture_types.mojom",
   ]
 
   public_deps = [
-    "//url/mojo:url_mojom_gurl",
+    "//media/mojo/interfaces",
+    "//ui/gfx/geometry/mojo",
   ]
 }