ImageCapture: move mojom from WebKit/public to media/

third_party/WebKit/public/platform/modules/imagecapture/image_capture.mojom

-// 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.
-
-module blink.mojom;
-
-// Equivalent to idl MediaSettingsRange, arbitrary range representing the
-// allowed variations of a Capability or an Option.
-// http://w3c.github.io/mediacapture-image/#mediasettingsrange
-struct Range {
-  uint32 max;
-  uint32 min;
-  uint32 current;
-};
-
-struct PhotoCapabilities {
-  Range zoom;
-};
-
-interface ImageCapture
-{
-    GetCapabilities(string source_id)
-        => (PhotoCapabilities capabilities);
-
-    TakePhoto(string source_id)
-        => (string mime_type, array<uint8> data);
-};