base: Remove the string logging from CHECK().

third_party/WebKit/Source/bindings/core/v8/BindingSecurity.cpp

Index: third_party/WebKit/Source/bindings/core/v8/BindingSecurity.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/BindingSecurity.cpp b/third_party/WebKit/Source/bindings/core/v8/BindingSecurity.cpp
index e79f6af8840253391420cfec41c14d750513f20c..0a302a227aaa9df8ed960f99f38208fe0a4213bd 100644
--- a/third_party/WebKit/Source/bindings/core/v8/BindingSecurity.cpp
+++ b/third_party/WebKit/Source/bindings/core/v8/BindingSecurity.cpp
@@ -212,9 +212,9 @@ bool BindingSecurity::shouldAllowAccessToDetachedWindow(
     const LocalDOMWindow* accessingWindow,
     const DOMWindow* target,
     ExceptionState& exceptionState) {
-  CHECK(target && !target->frame())
-      << "This version of shouldAllowAccessToFrame() must be used only for "
-      << "detached windows.";
+  // This version of shouldAllowAccessToFrame() must be used only for detached
+  // windows.
+  CHECK(target && !target->frame());
   if (!target->document())
     return false;
   return canAccessFrame(accessingWindow,