Move IME related functions from WebFrame to WebLocalFrame

components/test_runner/test_runner_for_specific_view.cc

 // Copyright 2016 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.
 
 #include "components/test_runner/test_runner_for_specific_view.h"
 
 #include <stddef.h>
 #include <limits>
 #include <utility>
 
@@ skipping 655 matching lines @@
   }
 
   WebLocalFrame* frame = web_view()->mainFrame()->toWebLocalFrame();
   const bool find_result = frame->find(0, WebString::fromUTF8(search_text),
                                        find_options, wrap_around, 0);
   frame->stopFinding(WebLocalFrame::StopFindActionKeepSelection);
   return find_result;
 }
 
 std::string TestRunnerForSpecificView::SelectionAsMarkup() {
-  return web_view()->mainFrame()->selectionAsMarkup().utf8();
+  if (!web_view()->mainFrame()->toWebLocalFrame()) {
+    CHECK(false) << "This function cannot be called if the main frame is not a "
+                    "local frame.";
+  }
+  return web_view()->mainFrame()->toWebLocalFrame()->selectionAsMarkup().utf8();
 }
 
 void TestRunnerForSpecificView::SetViewSourceForFrame(const std::string& name,
                                                       bool enabled) {
   WebFrame* target_frame =
       web_view()->findFrameByName(WebString::fromUTF8(name));
   if (target_frame)
     target_frame->enableViewSourceMode(enabled);
 }
 
 blink::WebView* TestRunnerForSpecificView::web_view() {
   return web_test_proxy_base_->web_view();
 }
 
 WebTestDelegate* TestRunnerForSpecificView::delegate() {
   return web_test_proxy_base_->delegate();
 }
 
 }  // namespace test_runner