[Mac][Material Design] Make Material Design the default.

ui/base/material_design/material_design_controller_unittest.cc

Index: ui/base/material_design/material_design_controller_unittest.cc
diff --git a/ui/base/material_design/material_design_controller_unittest.cc b/ui/base/material_design/material_design_controller_unittest.cc
index b86820d89c7174d03ff858e852e7435ed45a9d04..85a9280ee92cdf69e47a664efae12adbbe3751e6 100644
--- a/ui/base/material_design/material_design_controller_unittest.cc
+++ b/ui/base/material_design/material_design_controller_unittest.cc
@@ -108,6 +108,13 @@ TEST_F(MaterialDesignControllerTest,
             MaterialDesignController::GetMode());
 }
 
+#elif defined(OS_MACOSX)
+
+// Verify that MaterialDesignController::IsModeMaterial() is true.
+TEST_F(MaterialDesignControllerTestMaterial, IsModeMaterialInitializesMode) {
+  EXPECT_TRUE(MaterialDesignController::IsModeMaterial());

[tdanderson, 2016/05/05 14:56:55]

Since OSX does include ENABLE_TOPCHROME_MD I don't think any changes to this
file are necessary.

[shrike, 2016/05/05 16:10:51]

Thank you. With your other suggested change the MD tests no longer fail, so I
don't need to do this.

+}
+
 #else
 
 // Verify command line value "material" maps to Mode::MATERIAL when the compile