Implement API for accessing fonts installed locally on the system.

third_party/WebKit/public/platform/modules/font_access/WebFontAccess.h

Index: third_party/WebKit/public/platform/modules/font_access/WebFontAccess.h
diff --git a/third_party/WebKit/public/platform/modules/font_access/WebFontAccess.h b/third_party/WebKit/public/platform/modules/font_access/WebFontAccess.h
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index 0000000000000000000000000000000000000000..e66d1e13d88e10e2c9b0262af249ffe01a8a4bf7
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+++ b/third_party/WebKit/public/platform/modules/font_access/WebFontAccess.h
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+// Copyright 2016 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.
+
+#ifndef WebFontAccess_h
+#define WebFontAccess_h
+
+#include "public/platform/WebCallbacks.h"
+#include "public/platform/WebData.h"
+#include "public/platform/WebString.h"
+#include "public/platform/WebVector.h"
+#include "public/platform/modules/font_access/WebFontAccessDescription.h"
+
+namespace blink {
+class FontAccessDescription;
+
+using FontAccessCallbacks = WebCallbacks<WebPassOwnPtr<WebVector<WebFontAccessDescription>>, void>;
+using FontDataCallbacks = WebCallbacks<WebPassOwnPtr<WebData>, void>;
+
+class WebFontAccess {
+public:
+    virtual ~WebFontAccess() {}
+
+    // Takes ownership of the FontAccessCallbacks.
+    virtual void getFonts(FontAccessCallbacks*) = 0;
+    virtual void getFontWebData(const WebString& family, const WebString& style, FontDataCallbacks*) = 0;
+};
+
+} // namespace blink
+
+#endif // WebFontAccess_h