Merge in changes from readability review.

src/log.h

Index: src/log.h
diff --git a/src/log.h b/src/log.h
index 6e5fb5bb7aa0a6d77598d3c8a85483118f0b6522..cc391df187e41ed702cba85eb91ae43a4f2b5fe9 100644
--- a/src/log.h
+++ b/src/log.h
@@ -75,7 +75,7 @@ class LogMessageBuilder;
 #ifdef ENABLE_LOGGING_AND_PROFILING
 #define LOG(Call)                           \
   do {                                      \
-    if (v8::internal::Logger::is_enabled()) \
+    if (v8::internal::Logger::IsEnabled()) \
       v8::internal::Logger::Call;           \
   } while (false)
 #else
@@ -201,7 +201,7 @@ class Logger {
     return current_state_ ? current_state_->state() : OTHER;
   }
 
-  static bool is_enabled();
+  static bool IsEnabled();
 
   // Pause/Resume collection of profiling data.
   // When data collection is paused, Tick events are discarded until