Visual improvements to text filtering in Ash overview mode

ash/wm/overview/window_selector_unittest.cc

Index: ash/wm/overview/window_selector_unittest.cc
diff --git a/ash/wm/overview/window_selector_unittest.cc b/ash/wm/overview/window_selector_unittest.cc
index 93dba4d88c0e80a60ec7f02618a6de8a55f5abf9..2b92354eb16b2512839627e3a594b5cff2b44c27 100644
--- a/ash/wm/overview/window_selector_unittest.cc
+++ b/ash/wm/overview/window_selector_unittest.cc
@@ -897,22 +897,21 @@ TEST_F(WindowSelectorTest, BasicArrowKeyNavigation) {
       ui::VKEY_LEFT,
       ui::VKEY_UP
   };
-  // Expected window layout:
+  // Expected window layout, assuming that the text filtering feature is
+  // enabled by default (i.e., --ash-disable-text-filtering-in-overview-mode
+  // is not being used).

[flackr, 2014/08/08 17:43:59]

Could you extend this to still have 3 rows (with 1 item in the last row) just to
verify the vertical up/down is fully tested?

[tdanderson, 2014/08/08 19:25:44]

Done.

+  // +-------+  +-------+  +-------+ +-------+
+  // |   1   |  |   2   |  |   3   | |   4   |
+  // +-------+  +-------+  +-------+ +-------+
   // +-------+  +-------+  +-------+
-  // |   1   |  |   2   |  |   3   |
+  // |   5   |  |   6   |  |   7   |
   // +-------+  +-------+  +-------+
-  // +-------+  +-------+  +-------+
-  // |   4   |  |   5   |  |   6   |
-  // +-------+  +-------+  +-------+
-  // +-------+
-  // |   7   |
-  // +-------+
   // Index for each window during a full loop plus wrapping around.
   int index_path_for_direction[][test_windows + 1] = {
       {1, 2, 3, 4, 5, 6, 7, 1},  // Right
-      {1, 4, 7, 2, 5, 3, 6, 1},  // Down
+      {1, 5, 2, 6, 3, 7, 4, 1},  // Down
       {7, 6, 5, 4, 3, 2, 1, 7},  // Left
-      {6, 3, 5, 2, 7, 4, 1, 6}   // Up
+      {4, 7, 3, 6, 2, 5, 1, 4}   // Up
   };
 
   for (size_t key_index = 0; key_index < arraysize(arrow_keys); key_index++) {