Fix Google3 fonts.

src/ports/SkFontConfigInterfaceDirect.h

+/*
+ * Copyright 2009-2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/* migrated from chrome/src/skia/ext/SkFontHost_fontconfig_direct.cpp */
+
+#include "SkFontConfigInterface.h"
+#include "SkMutex.h"
+
+#include <fontconfig/fontconfig.h>
+
+class SkFontConfigInterfaceDirect : public SkFontConfigInterface {
+public:
+    SkFontConfigInterfaceDirect();
+    ~SkFontConfigInterfaceDirect() override;
+
+    bool matchFamilyName(const char familyName[],
+                         SkTypeface::Style requested,
+                         FontIdentity* outFontIdentifier,
+                         SkString* outFamilyName,
+                         SkTypeface::Style* outStyle) override;
+    SkStreamAsset* openStream(const FontIdentity&) override;
+
+    // new APIs
+    SkDataTable* getFamilyNames() override;
+    bool matchFamilySet(const char inFamilyName[],
+                        SkString* outFamilyName,
+                        SkTArray<FontIdentity>*) override;
+
+protected:
+    // Returns the string from the pattern, or nullptr
+    static const char* GetName(FcPattern* pattern, const char field[], int index = 0);
+    virtual bool isValidPattern(FcPattern* pattern);

[bungeman-skia, 2015/11/24 21:56:36]

can this just be

virtual bool isAccessible(const char* filename);

then there's less copy-pasted code and removes the need for GetName to be
mentioned here.

[dogben, 2015/11/30 17:15:31]

Done.

+
+private:
+    SkMutex mutex_;
+
+    FcPattern* MatchFont(FcFontSet* font_set, const char* post_config_family,
+                         const SkString& family);
+    typedef SkFontConfigInterface INHERITED;
+};