Alternative fix for FindToolbar crash when reparenting.

chrome/android/java/src/org/chromium/chrome/browser/widget/findinpage/FindToolbarTablet.java

Index: chrome/android/java/src/org/chromium/chrome/browser/widget/findinpage/FindToolbarTablet.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/widget/findinpage/FindToolbarTablet.java b/chrome/android/java/src/org/chromium/chrome/browser/widget/findinpage/FindToolbarTablet.java
index 488010430fdf5a4012cf19eaf7ac0edf9e7438bd..808573792e84a324996d128d88e478a9d4148965 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/widget/findinpage/FindToolbarTablet.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/widget/findinpage/FindToolbarTablet.java
@@ -150,9 +150,7 @@ public class FindToolbarTablet extends FindToolbar {
                     mCurrentAnimation = null;
                 }
             });
-            mTabModelSelector.getCurrentTab()
-                             .getWindowAndroid()
-                             .startAnimationOverContent(mCurrentAnimation);
+            startAnimationOverContent(mCurrentAnimation);
         }
     }
 
@@ -172,9 +170,7 @@ public class FindToolbarTablet extends FindToolbar {
 
         if (nextAnimator != null) {
             mCurrentAnimation = nextAnimator;
-            mTabModelSelector.getCurrentTab()
-                             .getWindowAndroid()
-                             .startAnimationOverContent(nextAnimator);
+            startAnimationOverContent(nextAnimator);
             postInvalidateOnAnimation();
         }
     }