Bypass cached element rects in AXLayoutObject.

third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp

Index: third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp
diff --git a/third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp b/third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp
index 3cf57b9846c1fbab4ead98a655ade10a90b46edd..30a38fc1949f432f690f9bb5bc3b58e3fe43974f 100644
--- a/third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp
+++ b/third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp
@@ -201,21 +201,10 @@ LayoutRect AXLayoutObject::elementRect() const
 {
     if (!m_explicitElementRect.isEmpty())
         return m_explicitElementRect;
-    if (!m_layoutObject)
-        return LayoutRect();
-    if (!m_layoutObject->isBox())
-        return computeElementRect();
-
-    for (const AXObject* obj = this; obj; obj = obj->parentObject()) {
-        if (obj->isAXLayoutObject())
-            toAXLayoutObject(obj)->checkCachedElementRect();
-    }
-    for (const AXObject* obj = this; obj; obj = obj->parentObject()) {
-        if (obj->isAXLayoutObject())
-            toAXLayoutObject(obj)->updateCachedElementRect();
-    }
 
-    return m_cachedElementRect;
+    // FIXME(dmazzoni): use relative bounds instead since this is a bottleneck.
+    // http://crbug.com/618120
+    return computeElementRect();
 }
 
 SkMatrix44 AXLayoutObject::transformFromLocalParentFrame() const