base: Remove the string logging from CHECK().

ui/base/ime/input_method_initializer.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/base/ime/input_method_initializer.h"
 
 #include "build/build_config.h"
 
 #if defined(OS_CHROMEOS)
 #include "ui/base/ime/ime_bridge.h"
@@ skipping 25 matching lines @@
 }
 
 void InitializeInputMethodForTesting() {
 #if defined(OS_CHROMEOS)
   IMEBridge::Initialize();
 #elif defined(USE_AURA) && defined(OS_LINUX)
   if (!g_linux_input_method_context_factory)
     g_linux_input_method_context_factory = new FakeInputMethodContextFactory();
   const LinuxInputMethodContextFactory* factory =
       LinuxInputMethodContextFactory::instance();
-  CHECK(!factory || factory == g_linux_input_method_context_factory)
-      << "LinuxInputMethodContextFactory was already initialized somewhere "
-      << "else.";
+  // LinuxInputMethodContextFactory was already initialized somewhere else.
+  CHECK(!factory || factory == g_linux_input_method_context_factory);
   LinuxInputMethodContextFactory::SetInstance(
       g_linux_input_method_context_factory);
 #endif
 }
 
 void ShutdownInputMethodForTesting() {
 #if defined(OS_CHROMEOS)
   IMEBridge::Shutdown();
 #elif defined(USE_AURA) && defined(OS_LINUX)
   const LinuxInputMethodContextFactory* factory =
       LinuxInputMethodContextFactory::instance();
-  CHECK(!factory || factory == g_linux_input_method_context_factory)
-      << "An unknown LinuxInputMethodContextFactory was set.";
+  // An unknown LinuxInputMethodContextFactory was set.
+  CHECK(!factory || factory == g_linux_input_method_context_factory);
   LinuxInputMethodContextFactory::SetInstance(NULL);
   delete g_linux_input_method_context_factory;
   g_linux_input_method_context_factory = NULL;
 #endif
 }
 
 }  // namespace ui