Use base namespace for FilePath in content/browser

content/browser/accessibility/browser_accessibility_state_impl_win.cc

Index: content/browser/accessibility/browser_accessibility_state_impl_win.cc
diff --git a/content/browser/accessibility/browser_accessibility_state_impl_win.cc b/content/browser/accessibility/browser_accessibility_state_impl_win.cc
index f65e0efe068495a69243be005bf9b12bb7e7ba2e..77a6332fe0312ff51a8d476aee923b49afe4104c 100644
--- a/content/browser/accessibility/browser_accessibility_state_impl_win.cc
+++ b/content/browser/accessibility/browser_accessibility_state_impl_win.cc
@@ -57,7 +57,7 @@ void BrowserAccessibilityStateImpl::UpdatePlatformSpecificHistograms() {
   for (size_t i = 0; i < module_count; i++) {
     TCHAR filename[MAX_PATH];
     GetModuleFileName(modules[i], filename, sizeof(filename));
-    string16 module_name(FilePath(filename).BaseName().value());
+    string16 module_name(base::FilePath(filename).BaseName().value());
     if (LowerCaseEqualsASCII(module_name, "fsdomsrv.dll"))
       jaws = true;
     if (LowerCaseEqualsASCII(module_name, "vbufbackend_gecko_ia2.dll"))