Remove unintended options_page support from platform apps.

chrome/test/data/extensions/manifest_tests/platform_app_with_options_page.json

Index: chrome/test/data/extensions/manifest_tests/platform_app_with_options_page.json
diff --git a/chrome/test/data/extensions/manifest_tests/platform_app_with_options_page.json b/chrome/test/data/extensions/manifest_tests/platform_app_with_options_page.json
new file mode 100644
index 0000000000000000000000000000000000000000..a0f6f0d89f92ea2ccf85cd22e5ddf1a9fb9f01d6
--- /dev/null
+++ b/chrome/test/data/extensions/manifest_tests/platform_app_with_options_page.json
@@ -0,0 +1,11 @@
+{
+  "name": "test",
+  "description": "I specify an options_page but it should be ignored.",
+  "version": "1",
+  "app": {
+    "background": {
+      "scripts": ["background.js"]
+    }
+  },
+  "options_page": "options.html"
+}