Replace string16 with base::string16.

chrome/browser/download/download_item_model_unittest.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/download/download_item_model.h"
 
 #include <vector>
 
 #include "base/i18n/rtl.h"
 #include "base/logging.h"
@@ skipping 249 matching lines @@
     // given width. The following test would fail if kLargeTooltipWidth isn't
     // large enough to accomodate all the strings.
     EXPECT_STREQ(
         test_case.expected_tooltip,
         UTF16ToUTF8(model().GetTooltipText(font_list,
                                            kLargeTooltipWidth)).c_str());
 
     // Check that if the width is small, the returned tooltip only contains
     // lines of the given width or smaller.
     std::vector<string16> lines;
-    string16 truncated_tooltip =
+    base::string16 truncated_tooltip =
         model().GetTooltipText(font_list, kSmallTooltipWidth);
     Tokenize(truncated_tooltip, ASCIIToUTF16("\n"), &lines);
     for (unsigned i = 0; i < lines.size(); ++i)
       EXPECT_GE(kSmallTooltipWidth, gfx::GetStringWidth(lines[i], font_list));
   }
 }
 
 TEST_F(DownloadItemModelTest, InProgressStatus) {
   const struct TestCase {
     int64 received_bytes;               // Return value of GetReceivedBytes().
@@ skipping 127 matching lines @@
     EXPECT_CALL(item(), GetAutoOpened())
         .WillRepeatedly(Return(test_case.auto_opened));
 
     EXPECT_EQ(test_case.expected_result,
               model().ShouldRemoveFromShelfWhenComplete())
         << "Test case: " << i;
     Mock::VerifyAndClearExpectations(&item());
     Mock::VerifyAndClearExpectations(&model());
   }
 }