Revert middle click related changes

chrome/browser/ui/browser_browsertest.cc

Index: chrome/browser/ui/browser_browsertest.cc
diff --git a/chrome/browser/ui/browser_browsertest.cc b/chrome/browser/ui/browser_browsertest.cc
index 89237794d0d0f55784e1a51729c8bc9eb97e6210..93545b81969b47e0805a3c1859898c05709f2fd5 100644
--- a/chrome/browser/ui/browser_browsertest.cc
+++ b/chrome/browser/ui/browser_browsertest.cc
@@ -2589,6 +2589,28 @@ IN_PROC_BROWSER_TEST_F(ClickModifierTest, WindowOpenControlShiftClickTest) {
   RunTest(browser(), GetWindowOpenURL(), modifiers, button, disposition);
 }
 
+// Middle-clicks open in a background tab.
+#if defined(OS_LINUX)
+// http://crbug.com/396347
+#define MAYBE_WindowOpenMiddleClickTest DISABLED_WindowOpenMiddleClickTest
+#else
+#define MAYBE_WindowOpenMiddleClickTest WindowOpenMiddleClickTest
+#endif
+IN_PROC_BROWSER_TEST_F(ClickModifierTest, MAYBE_WindowOpenMiddleClickTest) {
+  int modifiers = 0;
+  blink::WebMouseEvent::Button button = blink::WebMouseEvent::ButtonMiddle;
+  WindowOpenDisposition disposition = NEW_BACKGROUND_TAB;
+  RunTest(browser(), GetWindowOpenURL(), modifiers, button, disposition);
+}
+
+// Shift-middle-clicks open in a foreground tab.
+IN_PROC_BROWSER_TEST_F(ClickModifierTest, WindowOpenShiftMiddleClickTest) {
+  int modifiers = blink::WebInputEvent::ShiftKey;
+  blink::WebMouseEvent::Button button = blink::WebMouseEvent::ButtonMiddle;
+  WindowOpenDisposition disposition = NEW_FOREGROUND_TAB;
+  RunTest(browser(), GetWindowOpenURL(), modifiers, button, disposition);
+}
+
 // Tests for clicking on normal links.
 
 IN_PROC_BROWSER_TEST_F(ClickModifierTest, HrefBasicClickTest) {