Reapply "Media Galleries API Metadata: Image metadata"

chrome/common/extensions/api/media_galleries.idl

Index: chrome/common/extensions/api/media_galleries.idl
diff --git a/chrome/common/extensions/api/media_galleries.idl b/chrome/common/extensions/api/media_galleries.idl
index 941c7b786e368bb3668f5ca205cbb11c9e80fdc6..a6368813a0c6ff6018011d2e18637ad65288a6cc 100644
--- a/chrome/common/extensions/api/media_galleries.idl
+++ b/chrome/common/extensions/api/media_galleries.idl
@@ -104,13 +104,26 @@ namespace mediaGalleries {
     long? height;
     long? width;
 
+    // Defined for images only.
+    double? xResolution;
+    double? yResolution;
+
     // Defined for audio and video. In seconds.
     double? duration;
     
     // Defined for images and video. In degrees.
     long? rotation;
 
-    // Generic metadata tags.
+    // Defined for images only.
+    DOMString? cameraMake;
+    DOMString? cameraModel;
+    double? exposureTimeSeconds;
+    boolean? flashFired;
+    double? fNumber;
+    double? focalLengthMm;
+    double? isoEquivalent;
+
+    // Defined for audio and video only.
     DOMString? album;
     DOMString? artist;
     DOMString? comment;