Prepare Layout tests for ICU upgrade to 52 in

LayoutTests/fast/forms/datetimelocal-multiple-fields/datetimelocal-multiple-fields-mouse-events.html

Index: LayoutTests/fast/forms/datetimelocal-multiple-fields/datetimelocal-multiple-fields-mouse-events.html
diff --git a/LayoutTests/fast/forms/datetimelocal-multiple-fields/datetimelocal-multiple-fields-mouse-events.html b/LayoutTests/fast/forms/datetimelocal-multiple-fields/datetimelocal-multiple-fields-mouse-events.html
index f93c8c5f1351c92daaecd02a7b344a80f9ffe44b..5c0908f467b9a442c611d2eef4e3865a422b69b1 100644
--- a/LayoutTests/fast/forms/datetimelocal-multiple-fields/datetimelocal-multiple-fields-mouse-events.html
+++ b/LayoutTests/fast/forms/datetimelocal-multiple-fields/datetimelocal-multiple-fields-mouse-events.html
@@ -72,9 +72,13 @@ mouseClickOn(input.offsetWidth - spinButtonOffset, center + 1);
 shouldBeEqualToString('input.value', '2346-08-20T10:00');
 shouldBeZero('window.getSelection().rangeCount'); // No text selection.
 
+// With ICU 52 on Linux/Android, a comma is used to delimete date and time and
+// the hour and time field positions are shifted.
+var commaOffset = window.internals.oldestShadowRoot(input).textContent.indexOf(', ') == -1 ? 0 : 16;
+
 debug('');
 debug('==> Focus on the hour field.');

[tkent, 2014/06/03 01:45:07]

Optional: We can get a shadow node for the hour field by
getElementByPseudoId("-webkit-datetime-edit-hour-field"), which is defined in
fast/forms/resources/common.js. It may be possible to get reliable mouse
position for it.

-mouseClickOn(190, center);
+mouseClickOn(190 + commaOffset, center);
 keyDown('upArrow');
 shouldBeEqualToString('input.value', '2346-08-20T11:00');
 mouseClickOn(input.offsetWidth - spinButtonOffset, center - 1);
@@ -85,7 +89,7 @@ shouldBeZero('window.getSelection().rangeCount'); // No text selection.
 
 debug('');
 debug('==> Focus on the minute field.');
-mouseClickOn(240, center);
+mouseClickOn(240 + commaOffset, center);
 keyDown('upArrow');
 shouldBeEqualToString('input.value', '2346-08-20T11:01');
 mouseClickOn(input.offsetWidth - spinButtonOffset, center - 1);
@@ -94,6 +98,9 @@ mouseClickOn(input.offsetWidth - spinButtonOffset, center + 1);
 shouldBeEqualToString('input.value', '2346-08-20T11:01');
 shouldBeZero('window.getSelection().rangeCount'); // No text selection.
 
+// Set the value explicitly to prevent a earlier failure from leading to a
+// failure in the subsequent tests.
+input.value= '2346-08-20T11:01';
 debug('');
 debug('==> Click on a disabled field.');
 input.disabled = true;