[Ozone] Disable TextUtils.GetStringWidth on Ozone

On Ozone font rendering is disabled. The test cannot get the string width
without a valid font.

NOTRY=true
BUG=320050

Review URL: https://codereview.chromium.org/167393003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@251531 0039d316-1c4b-4281-b951-d872f2087c98

ui/gfx/text_utils_unittest.cc

@@ -60,7 +60,13 @@ TEST(TextUtilsTest, RemoveAcceleratorChar) {
   }
 }
 
-TEST(TextUtilsTest, GetStringWidth) {
+// Disabled on Ozone since there are no fonts: crbug.com/320050
+#if defined(USE_OZONE)
+#define MAYBE_GetStringWidth DISABLED_GetStringWidth
+#else
+#define MAYBE_GetStringWidth GetStringWidth
+#endif
+TEST(TextUtilsTest, MAYBE_GetStringWidth) {
   FontList font_list;
   EXPECT_EQ(GetStringWidth(base::string16(), font_list), 0);
   EXPECT_GT(GetStringWidth(base::ASCIIToUTF16("a"), font_list),