Remove implementation of Panels on OSes other than ChromeOS.

chrome/test/data/extensions/api_test/window_open/focus/test.js

Index: chrome/test/data/extensions/api_test/window_open/focus/test.js
diff --git a/chrome/test/data/extensions/api_test/window_open/focus/test.js b/chrome/test/data/extensions/api_test/window_open/focus/test.js
index f8c36de2434f68b3116ca2a83c283b988574fe76..7c77e62716ff5fe76a3c8f96493b2e6a744da024 100644
--- a/chrome/test/data/extensions/api_test/window_open/focus/test.js
+++ b/chrome/test/data/extensions/api_test/window_open/focus/test.js
@@ -60,13 +60,6 @@ chrome.test.runTests([
         chrome.test.callbackPass(checkFocused)
     );
   },
-  function defaultUnfocusedPanel() {
-    resetTest(false);
-    chrome.windows.create(
-        { 'url': 'blank.html', 'type': 'panel' },
-        chrome.test.callbackPass(checkUnfocused)
-    );
-  },
   function withFocus() {
     resetTest(true);
     chrome.windows.create(
@@ -81,13 +74,6 @@ chrome.test.runTests([
         chrome.test.callbackPass(checkFocused)
     );
   },
-  function withFocusPanel() {
-    resetTest(true);
-    chrome.windows.create(
-        { 'url': 'blank.html', 'focused': true, 'type': 'panel' },
-        chrome.test.callbackPass(checkFocused)
-    );
-  },
   function withoutFocus() {
     resetTest(false);
     chrome.windows.create(
@@ -101,12 +87,5 @@ chrome.test.runTests([
         { 'url': 'blank.html', 'focused': false, 'type': 'popup' },
         chrome.test.callbackPass(checkUnfocused)
     );
-  },
-  function withoutFocusPanel() {
-    resetTest(false);
-    chrome.windows.create(
-        { 'url': 'blank.html', 'focused': false, 'type': 'panel' },
-        chrome.test.callbackPass(checkUnfocused)
-    );
   }
 ]);