Update CRIWVWebClient prefix.

ios/web_view/internal/criwv_web_main_delegate.mm

Index: ios/web_view/internal/criwv_web_main_delegate.mm
diff --git a/ios/web_view/internal/criwv_web_main_delegate.mm b/ios/web_view/internal/criwv_web_main_delegate.mm
index 335d0d68cff1a01ae83f63e31ae25e1a4bddaab3..a1190b0e5998d945257324d5d90276904b569aa3 100644
--- a/ios/web_view/internal/criwv_web_main_delegate.mm
+++ b/ios/web_view/internal/criwv_web_main_delegate.mm
@@ -5,7 +5,7 @@
 #import "ios/web_view/internal/criwv_web_main_delegate.h"
 
 #include "base/memory/ptr_util.h"
-#import "ios/web_view/internal/criwv_web_client.h"
+#import "ios/web_view/internal/cwv_web_client.h"
 #import "ios/web_view/public/cwv_delegate.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
@@ -20,7 +20,7 @@ CRIWVWebMainDelegate::CRIWVWebMainDelegate(id<CWVDelegate> delegate)
 CRIWVWebMainDelegate::~CRIWVWebMainDelegate() {}
 
 void CRIWVWebMainDelegate::BasicStartupComplete() {
-  web_client_ = base::MakeUnique<CRIWVWebClient>(delegate_);
+  web_client_ = base::MakeUnique<CWVWebClient>(delegate_);
   web::SetWebClient(web_client_.get());
 }