Re-enable ExtensionApiTest.UpdateWindowShowState on Windows.

chrome/test/data/extensions/api_test/window_update/show_state/test.js

Index: chrome/test/data/extensions/api_test/window_update/show_state/test.js
diff --git a/chrome/test/data/extensions/api_test/window_update/show_state/test.js b/chrome/test/data/extensions/api_test/window_update/show_state/test.js
index f6d40d6548ba7c4f02109229c516dc4997f1abf6..c3d636664c9f715618897c3b0b30af2f08570bdc 100644
--- a/chrome/test/data/extensions/api_test/window_update/show_state/test.js
+++ b/chrome/test/data/extensions/api_test/window_update/show_state/test.js
@@ -63,7 +63,7 @@ function minimizeWindow(theWindow) {
 function testWindowState(windowType) {
   // Specifying size prevents 'panel' windows from computing size asynchronously. It ensures
   // panel sizes stay fixed through the test.
-  chrome.windows.create({'url': 'hello.html', 'type': windowType, 'width':100, 'height':100 },
+  chrome.windows.create({'url': 'hello.html', 'type': windowType, 'width':200, 'height':300 },
     pass(minimizeWindow));
 }