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..9b79e6674f69c3794adbf3964e62a3c45bfcbae4
--- /dev/null
+++ b/content/browser/renderer_host/pepper/pepper_truetype_font_list_mac.mm
@@ -0,0 +1,23 @@
+// 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 {
+
+void GetFontFamilies_SlowBlocking(std::vector<std::string>* font_families) {
+  base::mac::ScopedNSAutoreleasePool autorelease_pool;
+  NSFontManager* fontManager = [[[NSFontManager alloc] init] autorelease];
+  NSArray* fonts = [fontManager availableFontFamilies];
+  font_families->reserve([fonts count]);
+  for (NSString* family_name in fonts)
+    font_families->push_back(base::SysNSStringToUTF8(family_name));
+}
+
+}  // namespace content