Implement API for accessing fonts installed locally on the system.

content/renderer/renderer_blink_platform_impl.h

Index: content/renderer/renderer_blink_platform_impl.h
diff --git a/content/renderer/renderer_blink_platform_impl.h b/content/renderer/renderer_blink_platform_impl.h
index 5e938fdaadbc962365feb28773063449b7758ab8..814fa8947f6e7d48a0c6e51887d0366311fd9e18 100644
--- a/content/renderer/renderer_blink_platform_impl.h
+++ b/content/renderer/renderer_blink_platform_impl.h
@@ -41,6 +41,7 @@ class WebMediaRecorderHandler;
 class WebMediaStream;
 class WebSecurityOrigin;
 class WebServiceWorkerCacheStorage;
+class WebFontAccess;
 }
 
 namespace scheduler {
@@ -130,6 +131,7 @@ class CONTENT_EXPORT RendererBlinkPlatformImpl : public BlinkPlatformImpl {
   size_t audioHardwareBufferSize() override;
   unsigned audioHardwareOutputChannels() override;
   blink::WebDatabaseObserver* databaseObserver() override;
+  blink::WebFontAccess* fontAccess() override;
 
   blink::WebAudioDevice* createAudioDevice(
       size_t buffer_size,
@@ -289,6 +291,8 @@ class CONTENT_EXPORT RendererBlinkPlatformImpl : public BlinkPlatformImpl {
 
   scoped_ptr<BatteryStatusDispatcher> battery_status_dispatcher_;
 
+  scoped_ptr<blink::WebFontAccess> web_font_access_;
+
   // Handle to the Vibration mojo service.
   device::VibrationManagerPtr vibration_manager_;