base: Remove the string logging from CHECK().

chrome/browser/ui/views/toolbar/browser_action_test_util_views.cc

Index: chrome/browser/ui/views/toolbar/browser_action_test_util_views.cc
diff --git a/chrome/browser/ui/views/toolbar/browser_action_test_util_views.cc b/chrome/browser/ui/views/toolbar/browser_action_test_util_views.cc
index 78e6cfe890433d729575288cfa9cbfab7708f9e8..d0d8916d0581c6942f8821a1e3d9a3e4051a2726 100644
--- a/chrome/browser/ui/views/toolbar/browser_action_test_util_views.cc
+++ b/chrome/browser/ui/views/toolbar/browser_action_test_util_views.cc
@@ -200,8 +200,8 @@ ToolbarActionsBar* BrowserActionTestUtil::GetToolbarActionsBar() {
 
 std::unique_ptr<BrowserActionTestUtil>
 BrowserActionTestUtil::CreateOverflowBar() {
-  CHECK(!GetToolbarActionsBar()->in_overflow_mode())
-      << "Only a main bar can create an overflow bar!";
+  // Only a main bar can create an overflow bar!
+  CHECK(!GetToolbarActionsBar()->in_overflow_mode());
   return base::WrapUnique(new BrowserActionTestUtil(browser_, this));
 }