[DevTools] Reduce API surface of String16.

third_party/WebKit/Source/core/inspector/ThreadDebugger.cpp

 // 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 "core/inspector/ThreadDebugger.h"
 
 #include "bindings/core/v8/SourceLocation.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8DOMException.h"
 #include "bindings/core/v8/V8DOMTokenList.h"
@@ skipping 90 matching lines @@
 void ThreadDebugger::asyncTaskStarted(void* task)
 {
     m_v8Inspector->asyncTaskStarted(task);
 }
 
 void ThreadDebugger::asyncTaskFinished(void* task)
 {
     m_v8Inspector->asyncTaskFinished(task);
 }
 
-unsigned ThreadDebugger::promiseRejected(v8::Local<v8::Context> context, const String16& errorMessage, v8::Local<v8::Value> exception, std::unique_ptr<SourceLocation> location)
+unsigned ThreadDebugger::promiseRejected(v8::Local<v8::Context> context, const String& errorMessage, v8::Local<v8::Value> exception, std::unique_ptr<SourceLocation> location)
 {
-    const String16 defaultMessage = "Uncaught (in promise)";
-    String16 message = errorMessage;
+    const String defaultMessage = "Uncaught (in promise)";
+    String message = errorMessage;
     if (message.isEmpty())
         message = defaultMessage;
-    else if (message.startWith("Uncaught "))
+    else if (message.startsWith("Uncaught "))
         message = message.substring(0, 8) + " (in promise)" + message.substring(8);
 
     reportConsoleMessage(toExecutionContext(context), JSMessageSource, ErrorMessageLevel, message, location.get());
     return v8Inspector()->exceptionThrown(context, defaultMessage, exception, message, location->url(), location->lineNumber(), location->columnNumber(), location->takeStackTrace(), location->scriptId());
 }
 
 void ThreadDebugger::promiseRejectionRevoked(v8::Local<v8::Context> context, unsigned promiseRejectionId)
 {
-    const String16 message = "Handler added to rejected promise";
+    const String message = "Handler added to rejected promise";
     v8Inspector()->exceptionRevoked(context, promiseRejectionId, message);
 }
 
 void ThreadDebugger::beginUserGesture()
 {
     m_userGestureIndicator = wrapUnique(new UserGestureIndicator(DefinitelyProcessingNewUserGesture));
 }
 
 void ThreadDebugger::endUserGesture()
 {
@@ skipping 234 matching lines @@
 {
     for (size_t index = 0; index < m_timers.size(); ++index) {
         if (m_timers[index].get() == timer) {
             m_timerCallbacks[index](m_timerData[index]);
             return;
         }
     }
 }
 
 } // namespace blink