Upstream (most of) ios/web/public

ios/web/public/web_state/js/crw_js_injection_evaluator.h

Index: ios/web/public/web_state/js/crw_js_injection_evaluator.h
diff --git a/ios/web/public/web_state/js/crw_js_injection_evaluator.h b/ios/web/public/web_state/js/crw_js_injection_evaluator.h
index 724f1bdfa061bf2a72418ba559784a14eed525f6..3264b03fcd98afc4f0e8d9a5b6413bcc47be6ffa 100644
--- a/ios/web/public/web_state/js/crw_js_injection_evaluator.h
+++ b/ios/web/public/web_state/js/crw_js_injection_evaluator.h
@@ -7,6 +7,8 @@
 
 #import <Foundation/Foundation.h>
 
+#include "ios/web/public/web_view_type.h"
+
 // The type of the completion handler block that is called from
 // |evaluateJavaScript:completionHandler|
 namespace web {
@@ -33,6 +35,10 @@ typedef void (^JavaScriptCompletion)(NSString*, NSError*);
 // the manager's script, and not for evaluating arbitrary JavaScript.
 - (void)injectScript:(NSString*)script forClass:(Class)jsInjectionManagerClass;
 
+// Returns type of web view used for evaluation. Must not change for the
+// lifetime of the object.
+- (web::WebViewType)webViewType;
+
 @end
 
 #endif  // IOS_WEB_PUBLIC_WEB_STATE_JS_CRW_JS_INJECTION_EVALUATOR_H_