Fix the T-Rex easter egg on iOS.

ios/web/web_state/web_view_internal_creation_util.mm

Index: ios/web/web_state/web_view_internal_creation_util.mm
diff --git a/ios/web/web_state/web_view_internal_creation_util.mm b/ios/web/web_state/web_view_internal_creation_util.mm
index f99068e3b769094b6772f6fda3d274a8749cd0f3..61ca6a63679f7dc0c24d902b6fdf4508ebffe983 100644
--- a/ios/web/web_state/web_view_internal_creation_util.mm
+++ b/ios/web/web_state/web_view_internal_creation_util.mm
@@ -33,26 +33,27 @@ void VerifyWKWebViewCreationPreConditions(
                            WKWebViewConfiguration* configuration,
                            BrowserState* browser_state,
                            BOOL use_desktop_user_agent) {
-  WKWebView* web_view = CreateWKWebView(frame, configuration, browser_state);
-  web_view.customUserAgent = base::SysUTF8ToNSString(
-      web::GetWebClient()->GetUserAgent(use_desktop_user_agent));
-  return web_view;
-}
-
-WKWebView* CreateWKWebView(CGRect frame,
-                           WKWebViewConfiguration* configuration,
-                           BrowserState* browser_state) {
   VerifyWKWebViewCreationPreConditions(browser_state, configuration);
 
   GetWebClient()->PreWebViewCreation();
-  WKWebView* result =
+  WKWebView* web_view =
       [[WKWebView alloc] initWithFrame:frame configuration:configuration];
 
   // By default the web view uses a very sluggish scroll speed. Set it to a more
   // reasonable value.
-  result.scrollView.decelerationRate = UIScrollViewDecelerationRateNormal;
+  web_view.scrollView.decelerationRate = UIScrollViewDecelerationRateNormal;
 
-  return result;
+  // Set the user agent.
+  web_view.customUserAgent = base::SysUTF8ToNSString(
+      web::GetWebClient()->GetUserAgent(use_desktop_user_agent));
+
+  return web_view;
+}
+
+WKWebView* CreateWKWebView(CGRect frame,
+                           WKWebViewConfiguration* configuration,
+                           BrowserState* browser_state) {
+  return CreateWKWebView(frame, configuration, browser_state, NO);

[Eugene But (OOO till 7-30), 2016/07/13 05:28:57]

Optional NIT: /* use_desktop_user_agent */ or create local variable for NO.
Otherwise it's not obvious from the call place what does this BOOL mean.

[kkhorimoto, 2016/07/13 17:54:53]

Done.

 }
 
 }  // namespace web