Support "always allow" for runtime script execution

chrome/browser/extensions/active_script_controller_unittest.cc

Index: chrome/browser/extensions/active_script_controller_unittest.cc
diff --git a/chrome/browser/extensions/active_script_controller_unittest.cc b/chrome/browser/extensions/active_script_controller_unittest.cc
index 01fe26ba0cf72bcc319482f4dd6684c120a1d75c..39bd856e453564baf1fcbc63ede047a59837ebd8 100644
--- a/chrome/browser/extensions/active_script_controller_unittest.cc
+++ b/chrome/browser/extensions/active_script_controller_unittest.cc
@@ -322,4 +322,49 @@ TEST_F(ActiveScriptControllerUnitTest, ActiveScriptsCanHaveAllUrlsPref) {
   EXPECT_TRUE(RequiresUserConsent(extension));
 }
 
+TEST_F(ActiveScriptControllerUnitTest, TestAlwaysRun) {
+  const Extension* extension = AddExtension();
+  ASSERT_TRUE(extension);
+
+  NavigateAndCommit(GURL("https://www.google.com/?gws_rd=ssl"));
+
+  // Ensure that there aren't any executions pending.
+  ASSERT_EQ(0u, GetExecutionCountForExtension(extension->id()));
+  ASSERT_FALSE(controller()->GetActionForExtension(extension));
+
+  // Since the extension requests all_hosts, we should require user consent.
+  EXPECT_TRUE(RequiresUserConsent(extension));
+
+  // Request an injection. There should be an action visible, but no executions.
+  RequestInjection(extension);
+  EXPECT_TRUE(controller()->GetActionForExtension(extension));
+  EXPECT_EQ(0u, GetExecutionCountForExtension(extension->id()));
+
+  // Simulate clicking "always run" menu item.
+  controller()->AlwaysRunOnVisibleHost(extension);
+
+  // The extension should execute, and the action should go away.
+  EXPECT_EQ(1u, GetExecutionCountForExtension(extension->id()));
+  EXPECT_FALSE(controller()->GetActionForExtension(extension));
+
+  // Since we already executed on the given page, we shouldn't need permission
+  // for a second time.
+  EXPECT_FALSE(RequiresUserConsent(extension));
+
+  // Navigating to another site that hasn't been granted a persisted permission
+  // should necessitate user consent.
+  NavigateAndCommit(GURL("https://www.foo.com/bar"));
+  EXPECT_TRUE(RequiresUserConsent(extension));
+
+  // We shouldn't need user permission upon returning to the original host.
+  NavigateAndCommit(GURL("https://www.google.com/?gws_rd=ssl"));
+  EXPECT_FALSE(RequiresUserConsent(extension));
+
+  // Reinitializing permissions should clear active permissions, but not
+  // persisted permissions.
+  PermissionsUpdater(profile()).InitializePermissions(extension);
+  Reload();
+  EXPECT_FALSE(RequiresUserConsent(extension));
+}
+
 }  // namespace extensions