base: Remove the string logging from CHECK().

content/renderer/input/input_event_filter.cc

Index: content/renderer/input/input_event_filter.cc
diff --git a/content/renderer/input/input_event_filter.cc b/content/renderer/input/input_event_filter.cc
index 23dcbc093661de711dbf732d99105ec8cc99d3cd..ca39c44fd0b32baa04bc468db1ca6ee6c6c1a253 100644
--- a/content/renderer/input/input_event_filter.cc
+++ b/content/renderer/input/input_event_filter.cc
@@ -201,8 +201,7 @@ void InputEventFilter::ForwardToHandler(const IPC::Message& message,
         "InputEventFilter::ForwardToHandler::ForwardToMainListener",
         TRACE_EVENT_SCOPE_THREAD);
     CHECK(main_task_runner_->PostTask(FROM_HERE,
-                                      base::Bind(main_listener_, message)))
-        << "PostTask failed";
+                                      base::Bind(main_listener_, message)));
     return;
   }
 
@@ -265,8 +264,7 @@ void InputEventFilter::DidForwardToHandlerAndOverscroll(
 void InputEventFilter::SendMessage(std::unique_ptr<IPC::Message> message) {
   CHECK(io_task_runner_->PostTask(
       FROM_HERE, base::Bind(&InputEventFilter::SendMessageOnIOThread, this,
-                            base::Passed(&message))))
-      << "PostTask failed";
+                            base::Passed(&message))));
 }
 
 void InputEventFilter::SendMessageOnIOThread(
@@ -316,8 +314,7 @@ void InputEventFilter::NeedsMainFrame(int routing_id) {
 
   CHECK(target_task_runner_->PostTask(
       FROM_HERE,
-      base::Bind(&InputEventFilter::NeedsMainFrame, this, routing_id)))
-      << "PostTask failed";
+      base::Bind(&InputEventFilter::NeedsMainFrame, this, routing_id)));
 }
 
 }  // namespace content