platform/testing/{URL|Unit}TestHelpers improvements

third_party/WebKit/Source/platform/fonts/FontTest.cpp

 // Copyright 2016 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 "platform/fonts/Font.h"
 
 #include "platform/graphics/paint/PaintFlags.h"
 #include "platform/testing/FontTestHelpers.h"
 #include "platform/testing/UnitTestHelpers.h"
 #include "platform/text/TextRun.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using blink::testing::createTestFont;
 
 namespace blink {
 
-static inline String fontPath(String relativePath) {
-  return testing::blinkRootDir() + "/Source/platform/testing/data/" +
-         relativePath;
-}
-
 TEST(FontTest, TextIntercepts) {
-  Font font = createTestFont("Ahem", fontPath("Ahem.woff"), 16);
+  Font font =
+      createTestFont("Ahem", testing::platformTestDataPath("Ahem.woff"), 16);
   // A sequence of LATIN CAPITAL LETTER E WITH ACUTE and LATIN SMALL LETTER P
   // characters. E ACUTES are squares above the baseline in Ahem, while p's
   // are rectangles below the baseline.
   UChar ahemAboveBelowBaselineString[] = {0xc9, 0x70, 0xc9, 0x70, 0xc9,
                                           0x70, 0xc9, 0x70, 0xc9};
   TextRun ahemAboveBelowBaseline(ahemAboveBelowBaselineString, 9);
   TextRunPaintInfo textRunPaintInfo(ahemAboveBelowBaseline);
   PaintFlags defaultPaint;
   float deviceScaleFactor = 1;
 
@@ skipping 11 matching lines @@
   // 5 intercept ranges for the above baseline E ACUTE glyphs
   font.getTextIntercepts(textRunPaintInfo, deviceScaleFactor, defaultPaint,
                          aboveBaselineBounds, textIntercepts);
   EXPECT_EQ(textIntercepts.size(), 5u);
   for (auto textIntercept : textIntercepts) {
     EXPECT_GT(textIntercept.m_end, textIntercept.m_begin);
   }
 }
 
 }  // namespace blink