Pass the size of the array to GetModuleFileName.

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 28f05e0e7ec2992feb43ec1f01a65ce6bb3beb2c..ddce50ec60e9ac2027c09040c136593a91b166f6 100644
--- a/content/browser/accessibility/browser_accessibility_state_impl_win.cc
+++ b/content/browser/accessibility/browser_accessibility_state_impl_win.cc
@@ -8,6 +8,7 @@
 #include <psapi.h>
 
 #include "base/files/file_path.h"
+#include "base/macros.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/string_util.h"
 
@@ -56,7 +57,7 @@ void BrowserAccessibilityStateImpl::UpdatePlatformSpecificHistograms() {
   size_t module_count = bytes_required / sizeof(HMODULE);
   for (size_t i = 0; i < module_count; i++) {
     TCHAR filename[MAX_PATH];
-    GetModuleFileName(modules[i], filename, sizeof(filename));
+    GetModuleFileName(modules[i], filename, arraysize(filename));
     base::string16 module_name(base::FilePath(filename).BaseName().value());
     if (LowerCaseEqualsASCII(module_name, "fsdomsrv.dll"))
       jaws = true;