[vr] Fix incorrect negation in font fallback logic.

chrome/browser/android/vr_shell/textures/url_bar_texture_unittest.cc

 // Copyright 2017 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/android/vr_shell/textures/url_bar_texture.h"
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 36 matching lines @@
     SetURL(gurl);
     sk_sp<SkSurface> surface = SkSurface::MakeRasterN32Premul(
         texture_size_.width(), texture_size_.height());
     DrawAndLayout(surface->getCanvas(), texture_size_);
   }
 
   void SetForceFontFallbackFailure(bool force) {
     SetForceFontFallbackFailureForTesting(force);
   }
 
+  size_t GetNumberOfFontFallbacksForURL(const GURL& gurl) {
+    url::Parsed parsed;
+    const base::string16 text = url_formatter::FormatUrl(
+        gurl, url_formatter::kFormatUrlOmitAll, net::UnescapeRule::NORMAL,
+        &parsed, nullptr, nullptr);
+
+    gfx::FontList font_list;
+    if (!GetFontList(kUrlHeight, text, &font_list))
+      return 0;
+
+    return font_list.GetFonts().size();
+  }
+
   // Reports the last unsupported mode that was encountered. Returns kCount if
   // no unsupported mode was encountered.
   UiUnsupportedMode unsupported_mode() const { return unsupported_mode_; }
 
  private:
   void OnUnsupportedFeature(UiUnsupportedMode mode) {
     unsupported_mode_ = mode;
   }
 
   gfx::Size texture_size_;
@@ skipping 40 matching lines @@
         ColorScheme::GetColorScheme(ColorScheme::kModeNormal));
     UrlBarTexture::ApplyUrlStyling(
         formatted_url, parsed, level, &mock_,
         ColorScheme::GetColorScheme(ColorScheme::kModeIncognito));
   }
 
   testing::InSequence in_sequence_;
   MockRenderText mock_;
 };
 
+TEST(UrlBarTextureTest, WillNotFailOnNonAsciiURLs) {
+  TestUrlBarTexture texture;
+  EXPECT_EQ(3lu, texture.GetNumberOfFontFallbacksForURL(
+                     GURL("http://中央大学.ಠ_ಠ.tw/")));
+}
+
 TEST_F(UrlEmphasisTest, SecureHttpsHost) {
   EXPECT_CALL(mock_, SetColor(kDeemphasizedColor));
   EXPECT_CALL(mock_, ApplyColor(kEmphasizedColor, gfx::Range(8, 16)));
   EXPECT_CALL(mock_, ApplyColor(kSecureColor, gfx::Range(0, 5)));
   EXPECT_CALL(mock_, SetColor(kIncognitoDeemphasizedColor));
   EXPECT_CALL(mock_, ApplyColor(kIncognitoEmphasizedColor, gfx::Range(8, 16)));
   EXPECT_CALL(mock_, ApplyColor(kIncognitoSecureColor, gfx::Range(0, 5)));
   Verify("https://host.com/page", SecurityLevel::SECURE,
          "https://host.com/page");
 }
@@ skipping 79 matching lines @@
   TestUrlBarTexture texture;
   texture.DrawURL(GURL(
       "https://something.com/"
       "thereisnopossiblewaythatthishostnamecouldbecontainedinthelimitedspacetha"
       "tweareaffordedtousitsreallynotsomethingweshouldconsiderorplanfororpinour"
       "hopesonlestwegetdisappointedorsad.com"));
   EXPECT_EQ(UiUnsupportedMode::kCount, texture.unsupported_mode());
 }
 
 }  // namespace vr_shell