Correctly update CWVWebView properties on state restoration.

ios/web_view/internal/cwv_web_view.mm

Index: ios/web_view/internal/cwv_web_view.mm
diff --git a/ios/web_view/internal/cwv_web_view.mm b/ios/web_view/internal/cwv_web_view.mm
index 616defce008771a3198a428a3541eeea3fbfea92..c927c4d1175b786aebf252c1c8d240a9dae2f347 100644
--- a/ios/web_view/internal/cwv_web_view.mm
+++ b/ios/web_view/internal/cwv_web_view.mm
@@ -373,6 +373,12 @@ static NSString* gUserAgentProduct = nil;
   _translationController.webState = _webState.get();
 
   [self addInternalWebViewAsSubview];
+
+  [self updateNavigationAvailability];
+  [self updateCurrentURLs];
+  self.loading = NO;
+  self.estimatedProgress = 0.0;
+  self.title = base::SysUTF16ToNSString(_webState->GetTitle());

[Hiroshi Ichikawa, 2017/06/13 07:40:11]

Optional: Maybe factor this out to -updateTitle method in analogous to
-updateCurrentUrls?

[Eugene But (OOO till 7-30), 2017/06/13 07:56:41]

Done.

 }
 
 // Adds the web view provided by |_webState| as a subview unless it has already.