[Instant Start] Allow focusing on Omnibox after native initialization

Bug: 1086608
Change-Id: Id46f9775c0de498d2b6b15754da281444e3ce06a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2216277Reviewed-by: Wei-Yin Chen (陳威尹) <wychen@chromium.org>
Reviewed-by: Matthew Jones <mdjones@chromium.org>
Commit-Queue: Xi Han <hanxi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#774217}

chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java

@@ -661,6 +661,8 @@ public class ToolbarManager implements UrlFocusChangeListener, ThemeColorObserve
         mToolbar.setIncognitoStateProvider(mIncognitoStateProvider);
 
         ChromeAccessibilityUtil.get().addObserver(this);
+        mLocationBarModel.setShouldShowOmniboxInOverviewMode(
+                StartSurfaceConfiguration.isStartSurfaceEnabled());
 
         mFindToolbarManager = findToolbarManager;
         mFindToolbarManager.addObserver(mFindToolbarObserver);
@@ -787,8 +789,6 @@ public class ToolbarManager implements UrlFocusChangeListener, ThemeColorObserve
         }
 
         mLocationBarModel.initializeWithNative();
-        mLocationBarModel.setShouldShowOmniboxInOverviewMode(
-                StartSurfaceConfiguration.isStartSurfaceEnabled());
 
 
         if (layoutManager != null) {