Commiting http://codereview.chromium.org/2017007/show on behalf of rkc@chromi...

chrome/browser/userfeedback/proto/annotations.proto

+// Copyright 2009 Google Inc. All Rights Reserved.
+// Author: micapolos@google.com (Michal Pociecha-Los)
+//
+// Messages containing data about the annotations drawn on the screenshot of a 
+// web page.
+
+syntax = "proto2";
+
+package userfeedback;
+
+import "math.proto";
+import "dom.proto";
+
+// An annotation drawn by the user on the screenshot of a web page.
+message Annotation {
+  // A rectangular area covered by this annotation on annotated image.
+  // The (0, 0) coordinate is placed in the top-left corner of the image.
+  // One unit corresponds to one pixel.
+  required Rectangle rectangle = 1;
+
+  // A snippet of text displayed inside annotated portion of a web page.
+  optional string snippet = 2;
+
+  // A path from root element of the document to the annotated element.
+  optional HtmlPath annotatedElementPath = 3;
+};