base: Remove the string logging from CHECK().

chrome/browser/media/webrtc/webrtc_browsertest_common.cc

Index: chrome/browser/media/webrtc/webrtc_browsertest_common.cc
diff --git a/chrome/browser/media/webrtc/webrtc_browsertest_common.cc b/chrome/browser/media/webrtc/webrtc_browsertest_common.cc
index 00105e363ba0f961391277f04219199772625b02..f93c70eb4990c8c406d1c4b24e87dd652e35285a 100644
--- a/chrome/browser/media/webrtc/webrtc_browsertest_common.cc
+++ b/chrome/browser/media/webrtc/webrtc_browsertest_common.cc
@@ -68,7 +68,8 @@ base::FilePath GetToolForPlatform(const std::string& 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
 }