Cleanup: Correctly spell success(ful).

ios/chrome/browser/find_in_page/js_findinpage_manager.h

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef IOS_CHROME_BROWSER_FIND_IN_PAGE_JS_FINDINPAGE_MANAGER_H_
 #define IOS_CHROME_BROWSER_FIND_IN_PAGE_JS_FINDINPAGE_MANAGER_H_
 
 #include <CoreGraphics/CGBase.h>
 #include <CoreGraphics/CGGeometry.h>
 
@@ skipping 29 matching lines @@
 // Runs injected JavaScript to find |query| string. Calls |completionHandler|
 // with YES if the find operation completed, it is called with NO otherwise.
 // If the find operation was successfiul the first match to scroll to is
 // also called with. If the |completionHandler| is called with NO, another
 // call to |pumpWithCompletionHandler:| is required. |completionHandler| cannot
 // be nil.
 - (void)findString:(NSString*)query
     completionHandler:(void (^)(BOOL, CGPoint))completionHandler;
 
 // Searches for more matches. Calls |completionHandler| with a success BOOL and
-// scroll position if pumping was successfull. If the pumping was unsuccessfull
+// scroll position if pumping was successful. If the pumping was unsuccessfull
 // another pumping call maybe required. |completionHandler| cannot be nil.
 // TODO(shreyasv): Consider folding the logic for re-pumping into this class
 // instead of having clients having to do it.
 - (void)pumpWithCompletionHandler:(void (^)(BOOL, CGPoint))completionHandler;
 
 // Moves to the next matched location and executes the completion handler with
 // the new scroll position passed in. The |completionHandler| can be nil.
 - (void)nextMatchWithCompletionHandler:(void (^)(CGPoint))completionHandler;
 
 // Moves to the previous matched location and executes the completion handle
 // with the new scroll position passed in. The |completionHandler| can be nil.
 - (void)previousMatchWithCompletionHandler:(void (^)(CGPoint))completionHandler;
 
 // Stops find in page and calls |completionHandler| once find in page is
 // stopped. |completionHandler| cannot be nil.
 - (void)disableWithCompletionHandler:(ProceduralBlock)completionHandler;
 
 @end
 
 #endif  // IOS_CHROME_BROWSER_FIND_IN_PAGE_JS_FINDINPAGE_MANAGER_H_