base: Remove the string logging from CHECK().

chrome/browser/media/webrtc/webrtc_browsertest_common.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 "chrome/browser/media/webrtc/webrtc_browsertest_common.h"
 
 #include "base/files/file_util.h"
 #include "base/path_service.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
@@ skipping 50 matching lines @@
 #if defined(OS_WIN)
   return tools_dir
       .Append(FILE_PATH_LITERAL("win"))
       .AppendASCII(tool_name)
       .AddExtension(FILE_PATH_LITERAL("exe"));
 #elif defined(OS_MACOSX)
   return tools_dir.Append(FILE_PATH_LITERAL("mac")).AppendASCII(tool_name);
 #elif defined(OS_LINUX)
   return tools_dir.Append(FILE_PATH_LITERAL("linux")).AppendASCII(tool_name);
 #else
-  CHECK(false) << "Can't retrieve tool " << tool_name << " on this platform.";
+  // Can't retrieve tool |tool_name| on this platform.
+  CHECK(false);
   return base::FilePath();
 #endif
 }
 
 bool HasReferenceFilesInCheckout() {
   if (!base::PathExists(GetReferenceFilesDir())) {
     LOG(ERROR)
         << "Cannot find the working directory for the reference video "
         << "files, expected at " << GetReferenceFilesDir().value() << ". " <<
         kAdviseOnGclientSolution;
@@ skipping 76 matching lines @@
     }
   }
   LOG(ERROR)
       << "Timed out while waiting for " << javascript
       << " to evaluate to " << evaluates_to << "; last result was '" << result
       << "'";
   return false;
 }
 
 }  // namespace test