Track the active ExtensionKeybindingRegistry and make it available to EventRewriter.

chrome/browser/extensions/extension_keybinding_apitest.cc

Index: chrome/browser/extensions/extension_keybinding_apitest.cc
diff --git a/chrome/browser/extensions/extension_keybinding_apitest.cc b/chrome/browser/extensions/extension_keybinding_apitest.cc
index a3796bdf0f9de48701101524fd4e073c3f8070d4..e9de4d154d6d5b724aca1ec5c56555ba0753cc48 100644
--- a/chrome/browser/extensions/extension_keybinding_apitest.cc
+++ b/chrome/browser/extensions/extension_keybinding_apitest.cc
@@ -54,6 +54,31 @@ class CommandsApiTest : public ExtensionApiTest {
     return extension->permissions_data()->HasAPIPermissionForTab(
         SessionTabHelper::IdForTab(web_contents), APIPermission::kTab);
   }
+
+#if defined(OS_CHROMEOS)
+  void RunChromeOSConversionTest(const std::string& extension_path) {
+    // Setup the environment.
+    ASSERT_TRUE(test_server()->Start());
+    ASSERT_TRUE(ui_test_utils::BringBrowserWindowToFront(browser()));
+    ASSERT_TRUE(RunExtensionTest(extension_path)) << message_;
+    ui_test_utils::NavigateToURL(
+        browser(), test_server()->GetURL("files/extensions/test_file.txt"));
+
+    ResultCatcher catcher;
+
+    // Send all expected keys (Search+Shift+{Left, Up, Right, Down}).
+    ASSERT_TRUE(ui_test_utils::SendKeyPressSync(
+        browser(), ui::VKEY_LEFT, false, true, false, true));
+    ASSERT_TRUE(ui_test_utils::SendKeyPressSync(
+        browser(), ui::VKEY_UP, false, true, false, true));
+    ASSERT_TRUE(ui_test_utils::SendKeyPressSync(
+        browser(), ui::VKEY_RIGHT, false, true, false, true));
+    ASSERT_TRUE(ui_test_utils::SendKeyPressSync(
+        browser(), ui::VKEY_DOWN, false, true, false, true));
+
+    ASSERT_TRUE(catcher.GetNextResult());
+  }
+#endif  // OS_CHROMEOS
 };
 
 // Test the basic functionality of the Keybinding API:
@@ -740,4 +765,11 @@ IN_PROC_BROWSER_TEST_F(CommandsApiTest, MAYBE_ContinuePropagation) {
   ASSERT_TRUE(catcher.GetNextResult());
 }
 
+// Test is only applicable on Chrome OS.
+#if defined(OS_CHROMEOS)
+IN_PROC_BROWSER_TEST_F(CommandsApiTest, ChromeOSConversions) {
+  RunChromeOSConversionTest("keybinding/chromeos_conversions");
+}
+#endif  // OS_CHROMEOS
+
 }  // namespace extensions