Moved WebView(ScrollView)Proxy files to ui subdirectory.

ios/chrome/browser/find_in_page/find_in_page_js_unittest.mm

 // 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.
 
 #import <UIKit/UIKit.h>
 
 #include "base/mac/foundation_util.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/strings/sys_string_conversions.h"
 #import "ios/chrome/browser/find_in_page/find_in_page_model.h"
 #import "ios/chrome/browser/find_in_page/js_findinpage_manager.h"
 #import "ios/chrome/browser/web/chrome_web_test.h"
-#import "ios/web/public/web_state/crw_web_view_proxy.h"
 #import "ios/web/public/web_state/js/crw_js_injection_receiver.h"
+#import "ios/web/public/web_state/ui/crw_web_view_proxy.h"
 #import "ios/web/public/web_state/web_state.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/gtest_mac.h"
 
 // Unit tests for the find_in_page.js JavaScript file.
 
 namespace {
 
 // JavaScript invocation to search for 'foo' (for 1000 milliseconds).
 NSString* kJavaScriptToSearchForFoo =
@@ skipping 192 matching lines @@
   // point to the first visible occurence of the non-Ascii.
   NSString* result = ExecuteJavaScript([NSString
       stringWithFormat:@"__gCrWeb.findInPage.highlightWord('%@', false, 1000)",
                        kNonAscii]);
   DCHECK(result);
   AssertJavaScriptValue(kJavaScriptIndex, 0);
   AssertJavaScriptValue(kJavaScriptSpansLength, 1);
 }
 
 }  // namespace