Replace string16 with base::string16.

chrome/browser/android/tab_android.cc

 // Copyright (c) 2012 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 "chrome/browser/android/tab_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "chrome/browser/android/chrome_web_contents_delegate_android.h"
 #include "chrome/browser/android/webapps/single_tab_mode_tab_helper.h"
@@ skipping 157 matching lines @@
 }
 
 int TabAndroid::GetSyncId() const {
   JNIEnv* env = base::android::AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = weak_java_tab_.get(env);
   if (obj.is_null())
     return 0;
   return Java_TabBase_getSyncId(env, obj.obj());
 }
 
-string16 TabAndroid::GetTitle() const {
+base::string16 TabAndroid::GetTitle() const {
   JNIEnv* env = base::android::AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = weak_java_tab_.get(env);
   if (obj.is_null())
-    return string16();
+    return base::string16();
   return base::android::ConvertJavaStringToUTF16(
       Java_TabBase_getTitle(env, obj.obj()));
 }
 
 GURL TabAndroid::GetURL() const {
   JNIEnv* env = base::android::AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = weak_java_tab_.get(env);
   if (obj.is_null())
     return GURL::EmptyGURL();
   return GURL(base::android::ConvertJavaStringToUTF8(
@@ skipping 185 matching lines @@
                                                          jobject obj) {
   return ToolbarModelImpl::GetSecurityLevelForWebContents(web_contents());
 }
 
 void TabAndroid::SetActiveNavigationEntryTitleForUrl(JNIEnv* env,
                                                      jobject obj,
                                                      jstring jurl,
                                                      jstring jtitle) {
   DCHECK(web_contents());
 
-  string16 title;
+  base::string16 title;
   if (jtitle)
     title = base::android::ConvertJavaStringToUTF16(env, jtitle);
 
   std::string url;
   if (jurl)
     url = base::android::ConvertJavaStringToUTF8(env, jurl);
 
   content::NavigationEntry* entry =
       web_contents()->GetController().GetVisibleEntry();
   if (entry && url == entry->GetVirtualURL().spec())
@@ skipping 10 matching lines @@
   if (print_view_manager == NULL)
     return false;
 
   print_view_manager->PrintNow();
   return true;
 }
 
 bool TabAndroid::RegisterTabAndroid(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }