Move PathExists to base namespace.

chrome/browser/component_updater/pepper_flash_component_installer.cc

Index: chrome/browser/component_updater/pepper_flash_component_installer.cc
diff --git a/chrome/browser/component_updater/pepper_flash_component_installer.cc b/chrome/browser/component_updater/pepper_flash_component_installer.cc
index c7cf4dabf73106afdbc33a11d48cda88c1110ced..5f5d3697ee448442b3eb64a61d6fb6889c60303a 100644
--- a/chrome/browser/component_updater/pepper_flash_component_installer.cc
+++ b/chrome/browser/component_updater/pepper_flash_component_installer.cc
@@ -274,13 +274,13 @@ bool PepperFlashComponentInstaller::Install(
     return false;
   if (current_version_.CompareTo(version) > 0)
     return false;
-  if (!file_util::PathExists(unpack_path.Append(
+  if (!base::PathExists(unpack_path.Append(
           chrome::kPepperFlashPluginFilename)))
     return false;
   // Passed the basic tests. Time to install it.
   base::FilePath path =
       GetPepperFlashBaseDirectory().AppendASCII(version.GetString());
-  if (file_util::PathExists(path))
+  if (base::PathExists(path))
     return false;
   if (!base::Move(unpack_path, path))
     return false;
@@ -358,7 +358,7 @@ void FinishPepperFlashUpdateRegistration(ComponentUpdateService* cus,
 void StartPepperFlashUpdateRegistration(ComponentUpdateService* cus) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
   base::FilePath path = GetPepperFlashBaseDirectory();
-  if (!file_util::PathExists(path)) {
+  if (!base::PathExists(path)) {
     if (!file_util::CreateDirectory(path)) {
       NOTREACHED() << "Could not create Pepper Flash directory.";
       return;
@@ -369,7 +369,7 @@ void StartPepperFlashUpdateRegistration(ComponentUpdateService* cus) {
   std::vector<base::FilePath> older_dirs;
   if (GetPepperFlashDirectory(&path, &version, &older_dirs)) {
     path = path.Append(chrome::kPepperFlashPluginFilename);
-    if (file_util::PathExists(path)) {
+    if (base::PathExists(path)) {
       BrowserThread::PostTask(
           BrowserThread::UI, FROM_HERE,
           base::Bind(&RegisterPepperFlashWithChrome, path, version));