[ios clean] Adds Progress Bar to Toolbar.

ios/clean/chrome/browser/ui/toolbar/toolbar_mediator.mm

Index: ios/clean/chrome/browser/ui/toolbar/toolbar_mediator.mm
diff --git a/ios/clean/chrome/browser/ui/toolbar/toolbar_mediator.mm b/ios/clean/chrome/browser/ui/toolbar/toolbar_mediator.mm
index 4a3bfc69551dd0bf903a0e51bd36a58d05f3a7a8..79a1ba67f718449dd241a534a693a3f88e0ffbaa 100644
--- a/ios/clean/chrome/browser/ui/toolbar/toolbar_mediator.mm
+++ b/ios/clean/chrome/browser/ui/toolbar/toolbar_mediator.mm
@@ -33,8 +33,6 @@
 #pragma mark - CRWWebStateObserver
 
 - (void)webState:(web::WebState*)webState didLoadPageWithSuccess:(BOOL)success {
-  const GURL& pageURL = webState->GetVisibleURL();
-  [self.consumer setCurrentPageText:base::SysUTF8ToNSString(pageURL.spec())];
   [self.consumer
       setCanGoBack:self.webState->GetNavigationManager()->CanGoBack()];
   [self.consumer
@@ -49,6 +47,11 @@
   [self.consumer setIsLoading:self.webState->IsLoading()];
 }
 
+- (void)webState:(web::WebState*)webState
+    didChangeLoadingProgress:(double)progress {
+  [self.consumer setProgress:progress];
+}
+
 #pragma mark - Setters
 
 - (void)setWebState:(web::WebState*)webState {
@@ -73,12 +76,10 @@
 - (void)updateConsumer {
   DCHECK(self.webState);
   DCHECK(self.consumer);
-  const GURL& pageURL = self.webState->GetVisibleURL();
   [self.consumer
       setCanGoForward:self.webState->GetNavigationManager()->CanGoForward()];
   [self.consumer
       setCanGoBack:self.webState->GetNavigationManager()->CanGoBack()];
-  [self.consumer setCurrentPageText:base::SysUTF8ToNSString(pageURL.spec())];
   [self.consumer setIsLoading:self.webState->IsLoading()];
 }