Move a bunch of content\common code into the content namespace.

content/common/set_process_title_linux.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.
 
-// This file implements BSD-style setproctitle() for Linux.
+// This file implements BSD-style SetProcTitle() for Linux.
 // It is written such that it can easily be compiled outside Chromium.
 //
 // The Linux kernel sets up two locations in memory to pass arguments and
 // environment variables to processes. First, there are two char* arrays stored
 // one after another: argv and environ. A pointer to argv is passed to main(),
 // while glibc sets the global variable |environ| to point at the latter. Both
 // of these arrays are terminated by a NULL pointer; the environment array is
 // also followed by some empty space to allow additional variables to be added.
 //
 // These arrays contain pointers to a second location in memory, where the
@@ skipping 22 matching lines @@
 // middle. (Also, only a very few applications need or want this anyway.)
 
 #include "content/common/set_process_title_linux.h"
 
 #include <stdarg.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <string.h>
 #include <unistd.h>
 
+namespace content {
+
 extern char** environ;
 
 static char** g_main_argv = NULL;
 static char* g_orig_argv0 = NULL;
 
-void setproctitle(const char* fmt, ...) {
+void SetProcTitle(const char* fmt, ...) {
   va_list ap;
   size_t i, avail_size;
   uintptr_t page_size, page, page_end;
   // Sanity check before we try and set the process title.
   // The BSD version allows fmt == NULL to restore the original title.
   if (!g_main_argv || !environ || !fmt)
     return;
   if (!g_orig_argv0) {
     // Save the original argv[0].
     g_orig_argv0 = strdup(g_main_argv[0]);
@@ skipping 32 matching lines @@
     size_t size = snprintf(g_main_argv[0], avail_size, "%s ", g_orig_argv0);
     if (size < avail_size)
       vsnprintf(g_main_argv[0] + size, avail_size - size, fmt, ap);
   }
   va_end(ap);
   g_main_argv[1] = NULL;
 }
 
 // A version of this built into glibc would not need this function, since
 // it could stash the argv pointer in __libc_start_main(). But we need it.
-void setproctitle_init(const char** main_argv) {
+void SetProcTitleInit(const char** main_argv) {
   if (g_main_argv)
     return;
 
   uintptr_t page_size = sysconf(_SC_PAGESIZE);
   // Check that the argv array is in fact on the same page of memory
   // as the environment array just as an added measure of protection.
   if (((uintptr_t) environ) / page_size == ((uintptr_t) main_argv) / page_size)
     g_main_argv = const_cast<char**>(main_argv);
 }
+
+}  // namespace content