Avoid extra FontRenderParams queries in RenderTextHarfBuzz.

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"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/break_list.h"
 #include "ui/gfx/canvas.h"
+#include "ui/gfx/font.h"
 #include "ui/gfx/render_text_harfbuzz.h"
 
 #if defined(OS_WIN)
 #include "base/win/windows_version.h"
 #include "ui/gfx/render_text_win.h"
 #endif
 
 #if defined(OS_LINUX) && !defined(USE_OZONE)
 #include "ui/gfx/render_text_pango.h"
 #endif
@@ skipping 2252 matching lines @@
   }
 }
 
 // Ensure that shaping with a non-existent font does not cause a crash.
 TEST_F(RenderTextTest, HarfBuzz_NonExistentFont) {
   RenderTextHarfBuzz render_text;
   render_text.SetText(ASCIIToUTF16("test"));
   render_text.EnsureLayout();
   ASSERT_EQ(1U, render_text.runs_.size());
   internal::TextRunHarfBuzz* run = render_text.runs_[0];
-  render_text.ShapeRunWithFont(run, "TheFontThatDoesntExist");
+  render_text.ShapeRunWithFont(
+      run, "TheFontThatDoesntExist", FontRenderParams());
 }
 
 // Ensure an empty run returns sane values to queries.
 TEST_F(RenderTextTest, HarfBuzz_EmptyRun) {
   internal::TextRunHarfBuzz run;
   const base::string16 kString = ASCIIToUTF16("abcdefgh");
   scoped_ptr<base::i18n::BreakIterator> iter(new base::i18n::BreakIterator(
       kString, base::i18n::BreakIterator::BREAK_CHARACTER));
   ASSERT_TRUE(iter->Init());
 
@@ skipping 17 matching lines @@
   render_text->ApplyStyle(BOLD, true, Range(0, 3));
   render_text->SetElideBehavior(ELIDE_TAIL);
 
   render_text->SetDisplayRect(Rect(0, 0, 500, 100));
   EXPECT_EQ(kString, render_text->GetLayoutText());
   render_text->SetDisplayRect(Rect(0, 0, render_text->GetContentWidth(), 100));
   EXPECT_EQ(kString, render_text->GetLayoutText());
 }
 
 }  // namespace gfx