Disable modal JavaScript dialogs for platform apps.

chrome/browser/extensions/extension_apitest.h

Index: chrome/browser/extensions/extension_apitest.h
diff --git a/chrome/browser/extensions/extension_apitest.h b/chrome/browser/extensions/extension_apitest.h
index d24b5fc16087c8ee60f942e06f8df0757eef2bab..f59b53a1e196a74e87a8015a7beacbdf7c930c6c 100644
--- a/chrome/browser/extensions/extension_apitest.h
+++ b/chrome/browser/extensions/extension_apitest.h
@@ -114,6 +114,10 @@ class ExtensionApiTest : public ExtensionBrowserTest {
   // API on the page.
   bool RunPageTest(const std::string& page_url);
 
+  // Similar to RunExtensionTest, except used for running tests in platform app
+  // shell windows.
+  bool RunPlatformAppTest(const char* extension_name);
+
   // Start the test server, and store details of its state.  Those details
   // will be available to javascript tests using chrome.test.getConfig().
   bool StartTestServer();
@@ -129,11 +133,16 @@ class ExtensionApiTest : public ExtensionBrowserTest {
   std::string message_;
 
  private:
+  enum Flags {
+    kFlagNone = 0,
+    kFlagEnableIncognito = 1 << 0,
+    kFlagEnableFileAccess = 1 << 1,
+    kFlagLoadAsComponent = 1 << 2,
+    kFlagLaunchAppShell = 1 << 3
+  };
   bool RunExtensionTestImpl(const char* extension_name,
                             const std::string& test_page,
-                            bool enable_incognito,
-                            bool enable_fileaccess,
-                            bool load_as_component);
+                            int flags);
 
   // Hold details of the test, set in C++, which can be accessed by
   // javascript using chrome.test.getConfig().