Replace usage of WebVector::isEmpty with WebVector::empty().

content/shell/test_runner/spell_check_client.cc

 // Copyright 2014 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 "content/shell/test_runner/spell_check_client.h"
 
 #include <stddef.h>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 97 matching lines @@
       if (!misspelled_length)
         break;
       blink::WebVector<blink::WebString> suggestions;
       spell_check_.FillSuggestionList(
           blink::WebString::fromUTF16(
               text.substr(misspelled_position, misspelled_length)),
           &suggestions);
       results.push_back(blink::WebTextCheckingResult(
           blink::WebTextDecorationTypeSpelling, offset + misspelled_position,
           misspelled_length,
-          suggestions.isEmpty() ? blink::WebString() : suggestions[0]));
+          suggestions.empty() ? blink::WebString() : suggestions[0]));
       text = text.substr(misspelled_position + misspelled_length);
       offset += misspelled_position + misspelled_length;
     }
     MockGrammarCheck::CheckGrammarOfString(last_requested_text_check_string_,
                                            &results);
   }
   last_requested_text_checking_completion_->didFinishCheckingText(results);
   last_requested_text_checking_completion_ = 0;
   RequestResolved();
 
@@ skipping 26 matching lines @@
     return;
 
   v8::Context::Scope context_scope(context);
 
   frame->callFunctionEvenIfScriptDisabled(
       v8::Local<v8::Function>::New(isolate, resolved_callback_),
       context->Global(), 0, nullptr);
 }
 
 }  // namespace test_runner