themes: Remove usage of TOOLKIT_GTK define.

chrome/browser/themes/theme_syncable_service_unittest.cc

Index: chrome/browser/themes/theme_syncable_service_unittest.cc
diff --git a/chrome/browser/themes/theme_syncable_service_unittest.cc b/chrome/browser/themes/theme_syncable_service_unittest.cc
index 7a772875e29fc2b6c2265464378aaeb2fc55bb55..f2b6151b6f2f21703790a8a535c40dec4ae7a9dc 100644
--- a/chrome/browser/themes/theme_syncable_service_unittest.cc
+++ b/chrome/browser/themes/theme_syncable_service_unittest.cc
@@ -59,6 +59,7 @@ class FakeThemeService : public ThemeService {
   FakeThemeService() :
     using_system_theme_(false),
     using_default_theme_(false),
+    distinct_from_default_theme_(false),
     theme_extension_(NULL),
     is_dirty_(false) {}
 
@@ -84,6 +85,14 @@ class FakeThemeService : public ThemeService {
     theme_extension_ = NULL;
   }
 
+  bool IsSystemThemeDistinctFromDefaultTheme() const override {
+    return distinct_from_default_theme_;
+  }
+
+  void set_distinct_from_default_theme(bool is_distinct) {
+    distinct_from_default_theme_ = is_distinct;
+  }
+
   bool UsingDefaultTheme() const override { return using_default_theme_; }
 
   bool UsingSystemTheme() const override { return using_system_theme_; }
@@ -110,6 +119,7 @@ class FakeThemeService : public ThemeService {
  private:
   bool using_system_theme_;
   bool using_default_theme_;
+  bool distinct_from_default_theme_;
   scoped_refptr<const extensions::Extension> theme_extension_;
   bool is_dirty_;
 };
@@ -568,9 +578,9 @@ TEST_F(ThemeSyncableServiceTest, RestoreSystemThemeBitWhenChangeToCustomTheme) {
   EXPECT_TRUE(change_specifics.use_system_theme_by_default());
 }
 
-#if defined(TOOLKIT_GTK)
-TEST_F(ThemeSyncableServiceTest,
-       GtkUpdateSystemThemeBitWhenChangeBetweenSystemAndDefault) {
+TEST_F(ThemeSyncableServiceTest, DistinctSystemTheme) {
+  fake_theme_service_->set_distinct_from_default_theme(true);
+
   // Initialize to use native theme.
   fake_theme_service_->UseSystemTheme();
   fake_theme_service_->MarkClean();
@@ -613,11 +623,10 @@ TEST_F(ThemeSyncableServiceTest,
                   .theme()
                   .use_system_theme_by_default());
 }
-#endif
 
-#ifndef TOOLKIT_GTK
-TEST_F(ThemeSyncableServiceTest,
-       NonGtkPreserveSystemThemeBitWhenChangeToDefaultTheme) {
+TEST_F(ThemeSyncableServiceTest, SystemThemeSameAsDefaultTheme) {
+  fake_theme_service_->set_distinct_from_default_theme(false);
+
   // Set up theme service to use default theme.
   fake_theme_service_->UseDefaultTheme();
 
@@ -652,7 +661,6 @@ TEST_F(ThemeSyncableServiceTest,
   EXPECT_FALSE(change_specifics.use_custom_theme());
   EXPECT_TRUE(change_specifics.use_system_theme_by_default());
 }
-#endif
 
 TEST_F(PolicyInstalledThemeTest, InstallThemeByPolicy) {
   // Set up theme service to use custom theme that was installed by policy.