Convert some non-debug logging on content/common to debug logging.

content/common/process_watcher_posix.cc

 // Copyright (c) 2009 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 "content/common/process_watcher.h"
 
 #include <errno.h>
 #include <signal.h>
 #include <sys/types.h>
 #include <sys/wait.h>
 
 #include "base/eintr_wrapper.h"
 #include "base/logging.h"
 #include "base/threading/platform_thread.h"
 
 // Return true if the given child is dead. This will also reap the process.
 // Doesn't block.
 static bool IsChildDead(pid_t child) {
   const pid_t result = HANDLE_EINTR(waitpid(child, NULL, WNOHANG));
   if (result == -1) {
-    PLOG(ERROR) << "waitpid(" << child << ")";
+    DPLOG(ERROR) << "waitpid(" << child << ")";
     NOTREACHED();
   } else if (result > 0) {
     // The child has died.
     return true;
   }
 
   return false;
 }
 
 // A thread class which waits for the given child to exit and reaps it.
 // If the child doesn't exit within a couple of seconds, kill it.
 class BackgroundReaper : public base::PlatformThread::Delegate {
  public:
   BackgroundReaper(pid_t child, unsigned timeout)
       : child_(child),
         timeout_(timeout) {
   }
 
   void ThreadMain() {
     WaitForChildToDie();
     delete this;
   }
 
   void WaitForChildToDie() {
     // Wait forever case.
     if (timeout_ == 0) {
       pid_t r = HANDLE_EINTR(waitpid(child_, NULL, 0));
       if (r != child_) {
-        PLOG(ERROR) << "While waiting for " << child_
-                    << " to terminate, we got the following result: " << r;
+        DPLOG(ERROR) << "While waiting for " << child_
+                     << " to terminate, we got the following result: " << r;
       }
       return;
     }
 
     // There's no good way to wait for a specific child to exit in a timed
     // fashion. (No kqueue on Linux), so we just loop and sleep.
 
     // Wait for 2 * timeout_ 500 milliseconds intervals.
     for (unsigned i = 0; i < 2 * timeout_; ++i) {
       base::PlatformThread::Sleep(500);  // 0.5 seconds
       if (IsChildDead(child_))
         return;
     }
 
     if (kill(child_, SIGKILL) == 0) {
       // SIGKILL is uncatchable. Since the signal was delivered, we can
       // just wait for the process to die now in a blocking manner.
       if (HANDLE_EINTR(waitpid(child_, NULL, 0)) < 0)
-        PLOG(WARNING) << "waitpid";
+        DPLOG(WARNING) << "waitpid";
     } else {
-      LOG(ERROR) << "While waiting for " << child_ << " to terminate we"
-                 << " failed to deliver a SIGKILL signal (" << errno << ").";
+      DLOG(ERROR) << "While waiting for " << child_ << " to terminate we"
+                  << " failed to deliver a SIGKILL signal (" << errno << ").";
     }
   }
 
  private:
   const pid_t child_;
   // Number of seconds to wait, if 0 then wait forever and do not attempt to
   // kill |child_|.
   const unsigned timeout_;
 
   DISALLOW_COPY_AND_ASSIGN(BackgroundReaper);
@@ skipping 12 matching lines @@
 
 // static
 void ProcessWatcher::EnsureProcessGetsReaped(base::ProcessHandle process) {
   // If the child is already dead, then there's nothing to do.
   if (IsChildDead(process))
     return;
 
   BackgroundReaper* reaper = new BackgroundReaper(process, 0);
   base::PlatformThread::CreateNonJoinable(0, reaper);
 }