Fix lint errors

test/cctest/test-debug.cc

 // Copyright 2007-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 2297 matching lines @@
      "    \"global\":true,"
      "    \"expression\":\"239 + 566\",\"disable_break\":true"
      "}}";
 
   v8::Debug::SendCommand(buffer, AsciiToUtf16(command_113, buffer));
 
   v8::Debug::ProcessDebugMessages();
 
   CHECK_EQ(3, process_debug_messages_data.counter);
 
-  CHECK(strcmp("Pinguin", process_debug_messages_data.results[0].buffer) == 0);
-  CHECK(strcmp("Capybara", process_debug_messages_data.results[1].buffer) == 0);
-  CHECK(strcmp("805", process_debug_messages_data.results[2].buffer) == 0);
+  CHECK_EQ(strcmp("Pinguin", process_debug_messages_data.results[0].buffer), 0);
+  CHECK_EQ(strcmp("Capybara", process_debug_messages_data.results[1].buffer),
+           0);
+  CHECK_EQ(strcmp("805", process_debug_messages_data.results[2].buffer), 0);
 
   v8::Debug::SetMessageHandler(NULL);
   v8::Debug::SetDebugEventListener(NULL);
   CheckDebuggerUnloaded();
 }
 
 
 // Simple test of the stepping mechanism using only store ICs.
 TEST(DebugStepLinear) {
   v8::HandleScope scope;
@@ skipping 1926 matching lines @@
  * breakpoint is hit when enabled, and missed when disabled.
  */
 
 class BreakpointsV8Thread : public v8::internal::Thread {
  public:
   void Run();
 };
 
 class BreakpointsDebuggerThread : public v8::internal::Thread {
  public:
-  BreakpointsDebuggerThread(bool global_evaluate)
+  explicit BreakpointsDebuggerThread(bool global_evaluate)
       : global_evaluate_(global_evaluate) {}
   void Run();
 
  private:
   bool global_evaluate_;
 };
 
 
 Barriers* breakpoints_barriers;
 int break_event_breakpoint_id;
@@ skipping 1794 matching lines @@
 
   break_point_hit_count = 0;
   foo->Call(env->Global(), 0, NULL);
   CHECK_EQ(1, break_point_hit_count);
 
   v8::Debug::SetDebugEventListener(NULL);
   debugee_context = v8::Handle<v8::Context>();
   debugger_context = v8::Handle<v8::Context>();
   CheckDebuggerUnloaded();
 }