Replace most LOG statements with DLOG statements in base.

base/shared_memory_posix.cc

Index: base/shared_memory_posix.cc
===================================================================
--- base/shared_memory_posix.cc	(revision 106858)
+++ base/shared_memory_posix.cc	(working copy)
@@ -91,7 +91,7 @@
 void SharedMemory::CloseHandle(const SharedMemoryHandle& handle) {
   DCHECK_GE(handle.fd, 0);
   if (HANDLE_EINTR(close(handle.fd)) < 0)
-    PLOG(ERROR) << "close";
+    DPLOG(ERROR) << "close";
 }
 
 bool SharedMemory::CreateAndMapAnonymous(uint32 size) {
@@ -175,7 +175,7 @@
       PLOG(ERROR) << "Unable to access(W_OK|X_OK) " << dir.value();
       if (dir.value() == "/dev/shm") {
         LOG(FATAL) << "This is frequently caused by incorrect permissions on "
-        << "/dev/shm.  Try 'sudo chmod 1777 /dev/shm' to fix.";
+                   << "/dev/shm.  Try 'sudo chmod 1777 /dev/shm' to fix.";
       }
     }
 #else