Add Pepper TrueType font API plumbing.

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
new file mode 100644
index 0000000000000000000000000000000000000000..94fd04a5ad601d0ab5b7ac39eab02857e20af606
--- /dev/null
+++ b/content/browser/renderer_host/pepper/pepper_truetype_font_list_win.cc
@@ -0,0 +1,53 @@
+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "content/browser/renderer_host/pepper/pepper_truetype_font_list.h"
+
+#include <windows.h>
+#include <set>
+
+#include "base/utf_string_conversions.h"
+#include "base/win/scoped_hdc.h"
+
+namespace content {
+
+namespace {
+
+static int CALLBACK EnumFontFamExProc(ENUMLOGFONTEXW* logical_font,
+                                      NEWTEXTMETRICEXW* physical_font,
+                                      DWORD font_type,
+                                      LPARAM lparam) {
+  std::set<std::string>* font_name_set =
+      reinterpret_cast<std::set<std::string>*>(lparam);
+  if (font_name_set) {
+    const LOGFONTW& lf = logical_font->elfLogFont;
+    if (lf.lfFaceName[0] && lf.lfFaceName[0] != '@' &&
+        lf.lfOutPrecision == OUT_STROKE_PRECIS) {  // Outline fonts only.
+      std::string face_name(UTF16ToUTF8(lf.lfFaceName));
+      font_name_set->insert(face_name);
+    }
+  }
+  return 1;
+}
+
+}  // namespace
+
+std::vector<std::string> GetFontFamilies_SlowBlocking() {
+  std::set<std::string> font_name_set;
+  LOGFONTW logfont;
+  memset(&logfont, 0, sizeof(logfont));
+  logfont.lfCharSet = DEFAULT_CHARSET;
+  base::win::ScopedCreateDC hdc(::GetDC(NULL));
+  ::EnumFontFamiliesExW(hdc, &logfont, (FONTENUMPROCW)&EnumFontFamExProc,
+                        (LPARAM)&font_name_set, 0);
+
+  std::vector<std::string> font_families;
+  std::set<std::string>::iterator iter = font_name_set.begin();
+  for (; iter != font_name_set.end(); ++iter)
+    font_families.push_back(*iter);

[dmichael (off chromium), 2013/03/12 18:07:58]

ditto, could use vector constructor

(BTW, The Win API is greek to me. I'm assuming somebody else is reviewing or has
reviewed that)

[bbudge, 2013/03/13 01:26:50]

This is copy/paste/tweak from Brett's font_list stuff.
On 2013/03/12 18:07:58, dmichael wrote:

+
+  return font_families;
+}
+
+}  // namespace content