Add Pepper TrueType font API plumbing.

content/browser/renderer_host/pepper/pepper_truetype_font_list_mac.mm

Index: content/browser/renderer_host/pepper/pepper_truetype_font_list_mac.mm
diff --git a/content/browser/renderer_host/pepper/pepper_truetype_font_list_mac.mm b/content/browser/renderer_host/pepper/pepper_truetype_font_list_mac.mm
new file mode 100644
index 0000000000000000000000000000000000000000..3fc20652f15b40bc1a68b13fc9a49840eee6e344
--- /dev/null
+++ b/content/browser/renderer_host/pepper/pepper_truetype_font_list_mac.mm
@@ -0,0 +1,25 @@
+// 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"
+
+#import <Cocoa/Cocoa.h>
+
+#include "base/mac/scoped_nsautorelease_pool.h"
+#include "base/sys_string_conversions.h"
+
+namespace content {
+
+std::vector<std::string> GetFontFamilies_SlowBlocking() {
+  base::mac::ScopedNSAutoreleasePool autorelease_pool;
+  std::vector<std::string> font_families;
+  NSFontManager* fontManager = [[[NSFontManager alloc] init] autorelease];
+  NSArray* fonts = [fontManager availableFontFamilies];
+  for (NSString* family_name in fonts)
+    font_families.push_back(base::SysNSStringToUTF8(family_name));
+
+  return font_families;
+}
+
+}  // namespace content