Use base namespace for string16 in components and cloud_print.

components/autofill/core/browser/phone_field_unittest.cc

 // Copyright 2013 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 "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/autofill/core/browser/autofill_field.h"
 #include "components/autofill/core/browser/autofill_scanner.h"
 #include "components/autofill/core/browser/phone_field.h"
@@ skipping 124 matching lines @@
 // encountered in http://crbug.com/40694 with page
 // https://www.wrapables.com/jsp/Signup.jsp.
 TEST_F(PhoneFieldTest, ThreePartPhoneNumberPrefixSuffix) {
   FormFieldData field;
   field.form_control_type = "text";
 
   field.label = ASCIIToUTF16("Phone:");
   field.name = ASCIIToUTF16("area");
   list_.push_back(new AutofillField(field, ASCIIToUTF16("areacode1")));
 
-  field.label = string16();
+  field.label = base::string16();
   field.name = ASCIIToUTF16("prefix");
   list_.push_back(new AutofillField(field, ASCIIToUTF16("prefix2")));
 
-  field.label = string16();
+  field.label = base::string16();
   field.name = ASCIIToUTF16("suffix");
   list_.push_back(new AutofillField(field, ASCIIToUTF16("suffix3")));
 
   AutofillScanner scanner(list_.get());
   field_.reset(Parse(&scanner));
   ASSERT_NE(static_cast<PhoneField*>(NULL), field_.get());
   ASSERT_TRUE(field_->ClassifyField(&field_type_map_));
   ASSERT_TRUE(
       field_type_map_.find(ASCIIToUTF16("areacode1")) != field_type_map_.end());
   EXPECT_EQ(PHONE_HOME_CITY_CODE, field_type_map_[ASCIIToUTF16("areacode1")]);
@@ skipping 12 matching lines @@
   field.label = ASCIIToUTF16("(");
   field.name = ASCIIToUTF16("phone1");
   field.max_length = 3;
   list_.push_back(new AutofillField(field, ASCIIToUTF16("phone1")));
 
   field.label = ASCIIToUTF16(")");
   field.name = ASCIIToUTF16("phone2");
   field.max_length = 3;
   list_.push_back(new AutofillField(field, ASCIIToUTF16("phone2")));
 
-  field.label = string16();
+  field.label = base::string16();
   field.name = ASCIIToUTF16("phone3");
   field.max_length = 4;
   list_.push_back(new AutofillField(field, ASCIIToUTF16("phone3")));
 
   AutofillScanner scanner(list_.get());
   field_.reset(Parse(&scanner));
   ASSERT_NE(static_cast<PhoneField*>(NULL), field_.get());
   ASSERT_TRUE(field_->ClassifyField(&field_type_map_));
   ASSERT_TRUE(
       field_type_map_.find(ASCIIToUTF16("phone1")) != field_type_map_.end());
@@ skipping 28 matching lines @@
   ASSERT_TRUE(field_->ClassifyField(&field_type_map_));
   ASSERT_TRUE(
       field_type_map_.find(ASCIIToUTF16("country")) != field_type_map_.end());
   EXPECT_EQ(PHONE_HOME_COUNTRY_CODE, field_type_map_[ASCIIToUTF16("country")]);
   ASSERT_TRUE(
       field_type_map_.find(ASCIIToUTF16("phone")) != field_type_map_.end());
   EXPECT_EQ(PHONE_HOME_CITY_AND_NUMBER, field_type_map_[ASCIIToUTF16("phone")]);
 }
 
 }  // namespace autofill