base: Remove the string logging from CHECK().

chrome/browser/ui/toolbar/toolbar_actions_bar.cc

Index: chrome/browser/ui/toolbar/toolbar_actions_bar.cc
diff --git a/chrome/browser/ui/toolbar/toolbar_actions_bar.cc b/chrome/browser/ui/toolbar/toolbar_actions_bar.cc
index 72f85cc804889a821b1695b5c2608ed721da1e22..d9b7ee84a7c88da4d09ea29aec1515aef7ddda37 100644
--- a/chrome/browser/ui/toolbar/toolbar_actions_bar.cc
+++ b/chrome/browser/ui/toolbar/toolbar_actions_bar.cc
@@ -58,8 +58,8 @@ template<typename Type1, typename Type2, typename FunctionType>
 void SortContainer(std::vector<Type1>* to_sort,
                    const std::vector<Type2>& reference,
                    FunctionType equal) {
-  CHECK_GE(to_sort->size(), reference.size()) <<
-      "|to_sort| must contain all elements in |reference|.";
+  // |to_sort| must contain all elements in |reference|.
+  CHECK_GE(to_sort->size(), reference.size());
   if (reference.empty())
     return;
   // Run through the each element and compare it to the reference. If something
@@ -614,9 +614,8 @@ void ToolbarActionsBar::OnToolbarActionAdded(
     const ToolbarActionsModel::ToolbarItem& item,
     int index) {
   CHECK(model_->actions_initialized());
-  CHECK(GetActionForId(item.id) == nullptr)
-      << "Asked to add a toolbar action view for an action that already "
-         "exists";
+  // Asked to add a toolbar action view for an action that already exists
+  CHECK(GetActionForId(item.id) == nullptr);
 
   toolbar_actions_.insert(toolbar_actions_.begin() + index,
                           model_->CreateActionForItem(browser_, this, item));