Do not toggle Applist with Search key press when accessibility is enabled.

ash/accelerators/accelerator_controller.cc

Index: ash/accelerators/accelerator_controller.cc
diff --git a/ash/accelerators/accelerator_controller.cc b/ash/accelerators/accelerator_controller.cc
index 6233651044b559803d365717433535ad79c6bd5e..99496ac28113855854c2fc5746d6c712dc1b62db 100644
--- a/ash/accelerators/accelerator_controller.cc
+++ b/ash/accelerators/accelerator_controller.cc
@@ -359,6 +359,11 @@ bool AcceleratorController::PerformAction(int action,
       // this key combination is reserved for partial screenshot.
       return true;
     case TOGGLE_APP_LIST:
+      // When spoken feedback is enabled, we should neither toggle the list nor
+      // consume the key since Search+Shift is one of the shortcuts the a11y
+      // feature uses. crbug.com/132296
+      if (Shell::GetInstance()->delegate()->IsSpokenFeedbackEnabled())

[Zachary Kuznia, 2012/06/14 10:02:22]

Perhaps we should DCHECK that the accelerator being pressed is the search key? 
We don't want this to mask other accelerators.

[Yusuke Sato, 2012/06/14 11:41:40]

Done.

+        return false;
       ash::Shell::GetInstance()->ToggleAppList();
       return true;
     case TOGGLE_CAPS_LOCK: