Update CRIWVWebClient prefix.

ios/web_view/internal/criwv_web_main_delegate.h

Index: ios/web_view/internal/criwv_web_main_delegate.h
diff --git a/ios/web_view/internal/criwv_web_main_delegate.h b/ios/web_view/internal/criwv_web_main_delegate.h
index 98696dab199ed612b997f9207b4c7dbd1cba4b3a..ea8a2a3f921882d6685ed0791a44ee7b4d7dd6e6 100644
--- a/ios/web_view/internal/criwv_web_main_delegate.h
+++ b/ios/web_view/internal/criwv_web_main_delegate.h
@@ -12,7 +12,7 @@
 @protocol CWVDelegate;
 
 namespace ios_web_view {
-class CRIWVWebClient;
+class CWVWebClient;
 
 // CWV-specific implementation of WebMainDelegate.
 class CRIWVWebMainDelegate : public web::WebMainDelegate {
@@ -28,7 +28,7 @@ class CRIWVWebMainDelegate : public web::WebMainDelegate {
   __weak id<CWVDelegate> delegate_;
 
   // The content and web clients registered by this object.
-  std::unique_ptr<CRIWVWebClient> web_client_;
+  std::unique_ptr<CWVWebClient> web_client_;
 
   DISALLOW_COPY_AND_ASSIGN(CRIWVWebMainDelegate);
 };