[DevTools] Fix emulation drawer button styles.

Source/devtools/front_end/toolbox/OverridesUI.js

Index: Source/devtools/front_end/toolbox/OverridesUI.js
diff --git a/Source/devtools/front_end/toolbox/OverridesUI.js b/Source/devtools/front_end/toolbox/OverridesUI.js
index 1c6ba5c909aaa0ec4b26cbc30d468c9803268391..043369bcb2e44f385d2d087952fe1b54f943762e 100644
--- a/Source/devtools/front_end/toolbox/OverridesUI.js
+++ b/Source/devtools/front_end/toolbox/OverridesUI.js
@@ -16,11 +16,11 @@ WebInspector.OverridesUI.createDeviceSelect = function(document, titleProvider)
     var deviceSelectElement = p.createChild("select");
     deviceSelectElement.addEventListener("change", deviceSelected, false);
 
-    var saveButton = p.createChild("button", "save-device-button");
+    var saveButton = p.createChild("button");
     saveButton.textContent = WebInspector.UIString("Save as");
     saveButton.addEventListener("click", saveClicked, false);
 
-    var removeButton = p.createChild("button", "remove-device-button");
+    var removeButton = p.createChild("button");
     removeButton.textContent = WebInspector.UIString("Remove");
     removeButton.addEventListener("click", removeClicked, false);