[content/renderer] Convert VLOGs to DVLOGs

content/renderer/renderer_blink_platform_impl.cc

Index: content/renderer/renderer_blink_platform_impl.cc
diff --git a/content/renderer/renderer_blink_platform_impl.cc b/content/renderer/renderer_blink_platform_impl.cc
index 7c147ca328debdad8908f31fe66e571d95f12496..e9eb134d5021ce8168b720ea59629feaf104f340 100644
--- a/content/renderer/renderer_blink_platform_impl.cc
+++ b/content/renderer/renderer_blink_platform_impl.cc
@@ -1093,8 +1093,8 @@ RendererBlinkPlatformImpl::CreatePlatformEventObserverFromType(
     default:
       // A default statement is required to prevent compilation errors when
       // Blink adds a new type.
-      VLOG(1) << "RendererBlinkPlatformImpl::startListening() with "
-                 "unknown type.";
+      DVLOG(1) << "RendererBlinkPlatformImpl::startListening() with "
+                  "unknown type.";
   }
 
   return NULL;