Update SplitString calls to new form

ui/gfx/render_text_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 "ui/gfx/render_text.h"
 
 #include <algorithm>
 
 #include "base/format_macros.h"
 #include "base/i18n/break_iterator.h"
@@ skipping 2295 matching lines @@
   for (size_t i = 0; i < arraysize(kTestStrings); ++i) {
     SCOPED_TRACE(base::StringPrintf("kTestStrings[%" PRIuS "] %ls", i,
                                     kTestStrings[i].text));
     render_text.SetText(WideToUTF16(kTestStrings[i].text));
     render_text.Draw(&canvas);
     ASSERT_LE(2u, render_text.lines().size());
     if (kTestStrings[i].alignment == gfx::ALIGN_LEFT) {
       EXPECT_EQ(0, render_text.GetAlignmentOffset(0).x());
       EXPECT_EQ(0, render_text.GetAlignmentOffset(1).x());
     } else {
-      std::vector<base::string16> lines;
-      base::SplitString(base::WideToUTF16(kTestStrings[i].text), '\n', &lines);
+      std::vector<base::string16> lines = base::SplitString(
+          base::WideToUTF16(kTestStrings[i].text),
+          base::string16(1, '\n'), base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
       ASSERT_EQ(2u, lines.size());
       int difference = (lines[0].length() - lines[1].length()) * kGlyphSize;
       EXPECT_EQ(render_text.GetAlignmentOffset(0).x() + difference,
                 render_text.GetAlignmentOffset(1).x());
     }
   }
 }
 
 TEST_F(RenderTextTest, Multiline_WordWrapBehavior) {
   const int kGlyphSize = 5;
@@ skipping 787 matching lines @@
   string_size.set_width(string_size.width() / 2);
   render_text.SetDisplayRect(gfx::Rect(string_size));
   render_text.EnsureLayout();
   CFIndex glyph_count = CTLineGetGlyphCount(render_text.line_);
   EXPECT_GT(text.size(), static_cast<size_t>(glyph_count));
   EXPECT_NE(0, glyph_count);
 }
 #endif
 
 }  // namespace gfx