[content/common] Convert VLOGs to DVLOGs

content/common/sandbox_linux/sandbox_linux.cc

Index: content/common/sandbox_linux/sandbox_linux.cc
diff --git a/content/common/sandbox_linux/sandbox_linux.cc b/content/common/sandbox_linux/sandbox_linux.cc
index 12e11d8e1312d1480cbf7e7bb8bc27e9760ef156..433dc08b6742ed4f6f91da63e89f9baaf27558ee 100644
--- a/content/common/sandbox_linux/sandbox_linux.cc
+++ b/content/common/sandbox_linux/sandbox_linux.cc
@@ -59,7 +59,7 @@ void LogSandboxStarted(const std::string& sandbox_name) {
   const std::string activated_sandbox =
       "Activated " + sandbox_name + " sandbox for process type: " +
       process_type + ".";
-  VLOG(1) << activated_sandbox;
+  DVLOG(1) << activated_sandbox;
 }
 
 bool AddResourceLimit(int resource, rlim_t limit) {
@@ -153,7 +153,7 @@ void LinuxSandbox::PreinitializeSandbox() {
   // We "pre-warm" the code that detects supports for seccomp BPF.
   if (SandboxSeccompBPF::IsSeccompBPFDesired()) {
     if (!SandboxSeccompBPF::SupportsSandbox()) {
-      VLOG(1) << "Lacking support for seccomp-bpf sandbox.";
+      DVLOG(1) << "Lacking support for seccomp-bpf sandbox.";
     } else {
       seccomp_bpf_supported_ = true;
     }