DirectWrite Font Cache browser side hookup

content/public/common/dwrite_font_platform_win.h

Index: content/public/common/dwrite_font_platform_win.h
diff --git a/content/common/dwrite_font_platform_win.h b/content/public/common/dwrite_font_platform_win.h
similarity index 80%
rename from content/common/dwrite_font_platform_win.h
rename to content/public/common/dwrite_font_platform_win.h
index ea5a52fd90d5c4a172237d7250c04788b18d8efe..343d2b17f4c219d979a07e682afdf2f54a932ad9 100644
--- a/content/common/dwrite_font_platform_win.h
+++ b/content/public/common/dwrite_font_platform_win.h
@@ -13,6 +13,11 @@ struct IDWriteFontCollection;
 
 namespace content {
 
+// This is the shared section that is used between browser and renderer for
+// loading font cache. Section name is suffixed with browser process id so that
+// multiple instance chrome scenario works fine.
+CONTENT_EXPORT extern const char kFontCacheSharedSectionName[];
+
 // Function returns custom font collection in terms of IDWriteFontCollection.
 // This function maintains singleton instance of font collection and returns
 // it on repeated calls.
@@ -23,7 +28,7 @@ CONTENT_EXPORT IDWriteFontCollection* GetCustomFontCollection(
 // specified file and then loading it, where loading means creating
 // readonly shared memory mapping. As this function need to iterate through all
 // available fonts in the system, it may take a while.
-CONTENT_EXPORT bool BuildAndLoadFontCache(const base::FilePath& file);
+CONTENT_EXPORT bool BuildFontCache(const base::FilePath& file);
 
 // Loads font cache from file. This is supposed to be used from browser
 // side where loading means creating readonly shared memory file mapping so that