Only set accessibility focus on page load for browser tabs, not web views.

chrome/android/java/src/org/chromium/chrome/browser/Tab.java

Index: chrome/android/java/src/org/chromium/chrome/browser/Tab.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/Tab.java b/chrome/android/java/src/org/chromium/chrome/browser/Tab.java
index c76ebc33a63ec2f08fce0714594af2de75fc46b3..d96eb7253eb70282d286139f773ba3097b563abc 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/Tab.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/Tab.java
@@ -830,6 +830,11 @@ public class Tab implements NavigationClient {
         }
 
         for (TabObserver observer : mObservers) observer.onContentChanged(this);
+
+        // For browser tabs, we want to set accessibility focus to the page
+        // when it loads. This is not the default behavior for embedded
+        // web views.
+        mContentViewCore.setShouldSetAccessibilityFocusOnPageLoad(true);
     }
 
     /**