base: Remove the string logging from CHECK().

components/pairing/fake_host_pairing_controller.cc

 // Copyright 2014 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 "components/pairing/fake_host_pairing_controller.h"
 
 #include <stddef.h>
 
 #include <map>
 #include <vector>
@@ skipping 23 matching lines @@
   ApplyConfig(config);
   AddObserver(this);
 }
 
 FakeHostPairingController::~FakeHostPairingController() {
   RemoveObserver(this);
 }
 
 void FakeHostPairingController::ApplyConfig(const std::string& config) {
   base::StringPairs kv_pairs;
-  CHECK(base::SplitStringIntoKeyValuePairs(config, ':', ',', &kv_pairs))
-      << "Wrong config format.";
+  // Wrong config format.
+  CHECK(base::SplitStringIntoKeyValuePairs(config, ':', ',', &kv_pairs));
   std::map<std::string, std::string> dict(kv_pairs.begin(), kv_pairs.end());
 
   if (dict.count("async_duration")) {
     int ms = 0;
-    CHECK(base::StringToInt(dict["async_duration"], &ms))
-        << "Wrong 'async_duration' format.";
+    // Wrong 'async_duration' format.
+    CHECK(base::StringToInt(dict["async_duration"], &ms));
     async_duration_ = base::TimeDelta::FromMilliseconds(ms);
   } else {
     async_duration_ =
       base::TimeDelta::FromMilliseconds(kDefaultAsyncDurationMs);
   }
 
   start_after_update_ = dict["start_after_update"] == "1";
 
   enrollment_should_fail_ = dict["fail_enrollment"] == "1";
 
   if (dict.count("code")) {
     confirmation_code_ = dict["code"];
   } else {
     confirmation_code_.clear();
     for (size_t i = 0; i < kCodeLength; ++i)
       confirmation_code_.push_back(base::RandInt('0', '9'));
   }
+  // Wrong 'code' format.
   CHECK(confirmation_code_.length() == kCodeLength &&
-        confirmation_code_.find_first_not_of("0123456789") == std::string::npos)
-      << "Wrong 'code' format.";
+        confirmation_code_.find_first_not_of("0123456789") ==
+            std::string::npos);
 
   device_name_ =
       dict.count("device_name") ? dict["device_name"] : "Chromebox-01";
 
   enrollment_domain_ = dict.count("domain") ? dict["domain"] : "example.com";
 }
 
 void FakeHostPairingController::ChangeStage(Stage new_stage) {
   if (current_stage_ == new_stage)
     return;
@@ skipping 95 matching lines @@
     }
     case STAGE_ENROLLMENT_SUCCESS: {
       ChangeStageLater(STAGE_FINISHED);
       break;
     }
     default: { break; }
   }
 }
 
 }  // namespace pairing_chromeos