[orca] Don't clear the cache of windows by default

[Joanmarie Diggs <joanied src gnome org>]

commit 4742b720a9ac187b4e8606cf1c85dc370e3321d0
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Tue Nov 20 20:59:11 2018 -0500

    Don't clear the cache of windows by default
    
    Clearing the cache of windows is a sad hackaround for bugs in other apps.
    It makes us less performant. We need to fix the other apps, or only hack
    around those where we have recent evidence it is still needed.

 src/orca/script_utilities.py                           | 2 +-
 src/orca/scripts/toolkits/Chromium/script_utilities.py | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/orca/script_utilities.py b/src/orca/script_utilities.py
index 1f36608d0..76283bc34 100644
--- a/src/orca/script_utilities.py
+++ b/src/orca/script_utilities.py
@@ -136,7 +136,7 @@ class Utilities:
 
         return cmdline.replace("\x00", " ")
 
-    def canBeActiveWindow(self, window, clearCache=True):
+    def canBeActiveWindow(self, window, clearCache=False):
         if not window:
             return False
 
diff --git a/src/orca/scripts/toolkits/Chromium/script_utilities.py 
b/src/orca/scripts/toolkits/Chromium/script_utilities.py
index 2220b7a1a..cf7446ae6 100644
--- a/src/orca/scripts/toolkits/Chromium/script_utilities.py
+++ b/src/orca/scripts/toolkits/Chromium/script_utilities.py
@@ -124,7 +124,7 @@ class Utilities(web.Utilities):
         child = pyatspi.findDescendant(frame, lambda x: x and x.getRole() in roles)
         return child and not self.inDocumentContent(child)
 
-    def canBeActiveWindow(self, window, clearCache=True):
+    def canBeActiveWindow(self, window, clearCache=False):
         if super().canBeActiveWindow(window, clearCache):
             return True