Add python coverage 3.7 to depot tools.

third_party/coverage/htmlfiles/jquery.isonscreen.js

Index: third_party/coverage/htmlfiles/jquery.isonscreen.js
diff --git a/third_party/coverage/htmlfiles/jquery.isonscreen.js b/third_party/coverage/htmlfiles/jquery.isonscreen.js
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+/* Copyright (c) 2010
+ * @author Laurence Wheway
+ * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
+ * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
+ *
+ * @version 1.2.0
+ */
+(function($) {
+	jQuery.extend({
+		isOnScreen: function(box, container) {
+			//ensure numbers come in as intgers (not strings) and remove 'px' is it's there
+			for(var i in box){box[i] = parseFloat(box[i])};
+			for(var i in container){container[i] = parseFloat(container[i])};
+
+			if(!container){
+				container = {
+					left: $(window).scrollLeft(),
+					top: $(window).scrollTop(),
+					width: $(window).width(),
+					height: $(window).height()
+				}
+			}
+
+			if(	box.left+box.width-container.left > 0 &&
+				box.left < container.width+container.left &&
+				box.top+box.height-container.top > 0 &&
+				box.top < container.height+container.top
+			) return true;
+			return false;
+		}
+	})
+
+
+	jQuery.fn.isOnScreen = function (container) {
+		for(var i in container){container[i] = parseFloat(container[i])};
+
+		if(!container){
+			container = {
+				left: $(window).scrollLeft(),
+				top: $(window).scrollTop(),
+				width: $(window).width(),
+				height: $(window).height()
+			}
+		}
+
+		if(	$(this).offset().left+$(this).width()-container.left > 0 &&
+			$(this).offset().left < container.width+container.left &&
+			$(this).offset().top+$(this).height()-container.top > 0 &&
+			$(this).offset().top < container.height+container.top
+		) return true;
+		return false;
+	}
+})(jQuery);