ImageCapture: support exposure mode configuration

third_party/WebKit/Source/modules/imagecapture/PhotoCapabilities.h

 // 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.
 
 #ifndef PhotoCapabilities_h
 #define PhotoCapabilities_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "media/mojo/interfaces/image_capture.mojom-blink.h"
 #include "modules/imagecapture/MediaSettingsRange.h"
@@ skipping 15 matching lines @@
     MediaSettingsRange* imageHeight() const { return m_imageHeight; }
     void setImageHeight(MediaSettingsRange* value) { m_imageHeight = value; }
 
     MediaSettingsRange* imageWidth() const { return m_imageWidth; }
     void setImageWidth(MediaSettingsRange* value) { m_imageWidth = value; }
 
     MediaSettingsRange* zoom() const { return m_zoom; }
     void setZoom(MediaSettingsRange* value) { m_zoom = value; }
 
     String focusMode() const;
-    void setFocusMode(media::mojom::blink::FocusMode focusMode) { m_focusMode = focusMode; }
+    void setFocusMode(media::mojom::blink::MeteringMode focusMode) { m_focusMode = focusMode; }
+
+    String exposureMode() const;
+    void setExposureMode(media::mojom::blink::MeteringMode exposureMode) { m_exposureMode = exposureMode; }
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     PhotoCapabilities() = default;
 
     Member<MediaSettingsRange> m_iso;
     Member<MediaSettingsRange> m_imageHeight;
     Member<MediaSettingsRange> m_imageWidth;
     Member<MediaSettingsRange> m_zoom;
-    media::mojom::blink::FocusMode m_focusMode = media::mojom::blink::FocusMode::UNAVAILABLE;
+    media::mojom::blink::MeteringMode m_focusMode = media::mojom::blink::MeteringMode::UNAVAILABLE;
+    media::mojom::blink::MeteringMode m_exposureMode = media::mojom::blink::MeteringMode::UNAVAILABLE;
 };
 
 } // namespace blink
 
 #endif // PhotoCapabilities_h