Disable all the tests that are flaking more than 5% on Linux builders.

chrome/browser/ui/panels/docked_panel_browsertest.cc

Index: chrome/browser/ui/panels/docked_panel_browsertest.cc
diff --git a/chrome/browser/ui/panels/docked_panel_browsertest.cc b/chrome/browser/ui/panels/docked_panel_browsertest.cc
index fad6fc90407053bbab7184354e08ffcc28ef67cf..f79e91c694b6ee67324858a208bafafeae6b91d3 100644
--- a/chrome/browser/ui/panels/docked_panel_browsertest.cc
+++ b/chrome/browser/ui/panels/docked_panel_browsertest.cc
@@ -91,7 +91,13 @@ IN_PROC_BROWSER_TEST_F(DockedPanelBrowserTest, MAYBE_SqueezePanelsInDock) {
   panel_manager->CloseAll();
 }
 
-IN_PROC_BROWSER_TEST_F(DockedPanelBrowserTest, SqueezeAndThenSomeMore) {
+#if defined(OS_LINUX)
+// http://crbug.com/396484
+#define MAYBE_SqueezeAndThenSomeMore DISABLED_SqueezeAndThenSomeMore
+#else
+#define MAYBE_SqueezeAndThenSomeMore SqueezeAndThenSomeMore
+#endif
+IN_PROC_BROWSER_TEST_F(DockedPanelBrowserTest, MAYBE_SqueezeAndThenSomeMore) {
   PanelManager* panel_manager = PanelManager::GetInstance();
   DockedPanelCollection* docked_collection = panel_manager->docked_collection();