Cleanup: Add a const variable for /proc/self/exe.

base/base_paths_android.cc

Index: base/base_paths_android.cc
===================================================================
--- base/base_paths_android.cc	(revision 156845)
+++ base/base_paths_android.cc	(working copy)
@@ -11,22 +11,17 @@
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/logging.h"
+#include "base/process_util.h"
 
-namespace {
-
-const char kSelfExe[] = "/proc/self/exe";
-
-}  // namespace
-
 namespace base {
 
 bool PathProviderAndroid(int key, FilePath* result) {
   switch (key) {
     case base::FILE_EXE: {
       char bin_dir[PATH_MAX + 1];
-      int bin_dir_size = readlink(kSelfExe, bin_dir, PATH_MAX);
+      int bin_dir_size = readlink(kProcSelfExe, bin_dir, PATH_MAX);
       if (bin_dir_size < 0 || bin_dir_size > PATH_MAX) {
-        NOTREACHED() << "Unable to resolve " << kSelfExe << ".";
+        NOTREACHED() << "Unable to resolve " << kProcSelfExe << ".";
         return false;
       }
       bin_dir[bin_dir_size] = 0;