WTF/std normalization: replace WTF::Vector::first() with ::front()

third_party/WebKit/Source/web/SuspendableScriptExecutor.cpp

 // 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 "web/SuspendableScriptExecutor.h"
 
 #include "bindings/core/v8/ScriptController.h"
 #include "bindings/core/v8/ScriptSourceCode.h"
 #include "bindings/core/v8/V8PersistentValueVector.h"
 #include "bindings/core/v8/WindowProxy.h"
@@ skipping 50 matching lines @@
             frame->document(), UserGestureToken::NewGesture)));
   }
 
   Vector<v8::Local<v8::Value>> results;
   if (m_worldID) {
     frame->script().executeScriptInIsolatedWorld(m_worldID, m_sources,
                                                  m_extensionGroup, &results);
   } else {
     v8::Local<v8::Value> scriptValue =
         frame->script().executeScriptInMainWorldAndReturnValue(
-            m_sources.first());
+            m_sources.front());
     results.append(scriptValue);
   }
 
   return results;
 }
 
 class V8FunctionExecutor : public SuspendableScriptExecutor::Executor {
  public:
   V8FunctionExecutor(v8::Isolate*,
                      v8::Local<v8::Function>,
@@ skipping 149 matching lines @@
   m_keepAlive.clear();
   stop();
 }
 
 DEFINE_TRACE(SuspendableScriptExecutor) {
   visitor->trace(m_executor);
   SuspendableTimer::trace(visitor);
 }
 
 }  // namespace blink