Moved WebView(ScrollView)Proxy files to ui subdirectory.

ios/web/web_state/ui/crw_web_controller_container_view_unittest.mm

Index: ios/web/web_state/ui/crw_web_controller_container_view_unittest.mm
diff --git a/ios/web/web_state/ui/crw_web_controller_container_view_unittest.mm b/ios/web/web_state/ui/crw_web_controller_container_view_unittest.mm
index fa4f0af09de4c85b6c7ae2e06e2b3a528bb3eb94..207b0bafd585ace6fd92a4e007b75c12f6e89057 100644
--- a/ios/web/web_state/ui/crw_web_controller_container_view_unittest.mm
+++ b/ios/web/web_state/ui/crw_web_controller_container_view_unittest.mm
@@ -2,14 +2,15 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#import "base/mac/scoped_nsobject.h"
-#import "ios/web/web_state/crw_web_view_proxy_impl.h"
 #import "ios/web/web_state/ui/crw_web_controller_container_view.h"
+
+#import "base/mac/scoped_nsobject.h"
+#import "ios/web/web_state/ui/crw_web_view_proxy_impl.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #import "testing/gtest_mac.h"
 #include "testing/platform_test.h"
-#include "third_party/ocmock/gtest_support.h"
 #import "third_party/ocmock/OCMock/OCMock.h"
+#include "third_party/ocmock/gtest_support.h"
 
 namespace {
 // The frame of CRWWebControllerContainerViewTest's |container_view_|.