[CSS Regions] Layout Test for selecting text in 2 regions

LayoutTests/fast/regions/resources/helper.js

 function isDebugEnabled()
 {
     // Add #debug at the end of the url to visually debug the test case.
     return window.location.hash == "#debug";
 }
 
 function getFlowByName(name)
 {
     var namedFlows = document.webkitGetNamedFlows();
     return namedFlows[name] ? namedFlows[name] : null;
@@ skipping 206 matching lines @@
 function selectContentByIds(fromId, toId) {
     var fromRect = document.getElementById(fromId).getBoundingClientRect();
     var toRect = document.getElementById(toId).getBoundingClientRect();
 
     var fromRectVerticalCenter = fromRect.top + fromRect.height / 2;
     var toRectVerticalCenter = toRect.top + toRect.height / 2;
 
     selectContentByRange(fromRect.left, fromRectVerticalCenter, toRect.right, toRectVerticalCenter);
 }
 
+function selectContentByIdsVert(fromId, toId) {

[ojan, 2013/10/04 22:26:05]

Blink code prefers avoiding abbreviations (Vert).

+    var fromRect = document.getElementById(fromId).getBoundingClientRect();
+    var toRect = document.getElementById(toId).getBoundingClientRect();
+
+    var fromRectHorizontalCenter = fromRect.left + fromRect.width / 2;
+    var toRectHorizontalCenter = toRect.left + toRect.width / 2;
+
+    selectContentByRange(fromRectHorizontalCenter, fromRect.top, toRectHorizontalCenter, toRect.bottom);
+}
+
 function selectBaseAndExtent(fromId, fromOffset, toId, toOffset) {
     var from = document.getElementById(fromId);
     var to = document.getElementById(toId);
 
     var selection = window.getSelection();
     selection.setBaseAndExtent(from, fromOffset, to, toOffset);
 }
 
 function mouseClick(positionX, positionY) {
     if (!window.testRunner)
         return;
 
     eventSender.mouseMoveTo(positionX, positionY);
     eventSender.mouseDown();
     eventSender.mouseUp();
 }
+
+function onMouseUpLogSelection(elementId) {
+    document.onmouseup = function() {
+        var selectedContent = document.getElementById(elementId);
+        selectedContent.innerHTML = window.getSelection().getRangeAt(0);
+    }
+}