Pepper: Fix PPB_TrueTypeFont GetFontsInFamily function.

content/browser/renderer_host/pepper/pepper_truetype_font_list_win.cc

Index: content/browser/renderer_host/pepper/pepper_truetype_font_list_win.cc
diff --git a/content/browser/renderer_host/pepper/pepper_truetype_font_list_win.cc b/content/browser/renderer_host/pepper/pepper_truetype_font_list_win.cc
index 158d8ea9de104e7b5df86c90c1a13ef518592f8c..e271dbbb08ad0369884d20bb0697859667e06582 100644
--- a/content/browser/renderer_host/pepper/pepper_truetype_font_list_win.cc
+++ b/content/browser/renderer_host/pepper/pepper_truetype_font_list_win.cc
@@ -76,7 +76,9 @@ void GetFontsInFamily_SlowBlocking(const std::string& family,
   memset(&logfont, 0, sizeof(logfont));
   logfont.lfCharSet = DEFAULT_CHARSET;
   base::string16 family16 = base::UTF8ToUTF16(family);
-  memcpy(&logfont.lfFaceName, &family16[0], sizeof(logfont.lfFaceName));
+  // Copy the family name, leaving room for a terminating null (already set
+  // since we zeroed the whole struct above.)
+  family16.copy(logfont.lfFaceName, LF_FACESIZE - 1);
   base::win::ScopedCreateDC hdc(::CreateCompatibleDC(NULL));
   ::EnumFontFamiliesExW(hdc.Get(),
                         &logfont,