Manually fetch favicons after hash changes.

ios/web/web_state/ui/crw_web_controller.mm

Index: ios/web/web_state/ui/crw_web_controller.mm
diff --git a/ios/web/web_state/ui/crw_web_controller.mm b/ios/web/web_state/ui/crw_web_controller.mm
index 01d6a55bab99f5395748b249ddb4716e5b96dee0..c97606b73a22ccc771798ef898e56b0ca29b344e 100644
--- a/ios/web/web_state/ui/crw_web_controller.mm
+++ b/ios/web/web_state/ui/crw_web_controller.mm
@@ -2426,6 +2426,11 @@ const NSTimeInterval kSnapshotOverlayTransition = 0.5;
                               context:(NSDictionary*)context {
   [self checkForUnexpectedURLChange];
 
+  // Because hash changes don't trigger |-didFinishNavigation|, fetch favicons
+  // for the new page manually.
+  [self evaluateJavaScript:@"__gCrWeb.sendFaviconsToHost();"
+         JSONResultHandler:nil];

[Eugene But (OOO till 7-30), 2016/02/01 15:55:37]

s/JSONResultHandler/stringResultHandler/

JSONResultHandler is stringResultHandler + conversion code, which you don't need
here. 

[kkhorimoto, 2016/02/01 19:32:52]

Done.

+
   // Notify the observers.
   _webStateImpl->OnUrlHashChanged();
   return YES;