Remove unused exposed APIs for WebRuntimeFeatures

public/web/WebRuntimeFeatures.h

Index: public/web/WebRuntimeFeatures.h
diff --git a/public/web/WebRuntimeFeatures.h b/public/web/WebRuntimeFeatures.h
index b2e4ae8a42f46010bebab274ce7ee3108eabb4a9..2af9e4daf20efbdf64208fe0f6658a151b7da9bf 100644
--- a/public/web/WebRuntimeFeatures.h
+++ b/public/web/WebRuntimeFeatures.h
@@ -46,8 +46,6 @@ public:
 
     BLINK_EXPORT static void enableDatabase(bool);
 
-    BLINK_EXPORT static void enableDialogElement(bool);
-
     BLINK_EXPORT static void enableEncryptedMedia(bool);
     BLINK_EXPORT static bool isEncryptedMediaEnabled();
 
@@ -112,8 +110,6 @@ public:
 
     BLINK_EXPORT static void enableWebMIDI(bool);
 
-    BLINK_EXPORT static void enableHTMLImports(bool);
-
     BLINK_EXPORT static void enableXSLT(bool);
 
     BLINK_EXPORT static void enableOverlayScrollbars(bool);
@@ -122,8 +118,6 @@ public:
 
     BLINK_EXPORT static void enableSharedWorker(bool);
 
-    BLINK_EXPORT static void enableExperimentalWebSocket(bool);
-
     BLINK_EXPORT static void enableTargetedStyleRecalc(bool);
 
     BLINK_EXPORT static void enablePreciseMemoryInfo(bool);
@@ -132,8 +126,6 @@ public:
 
     BLINK_EXPORT static void enableShowModalDialog(bool);
 
-    BLINK_EXPORT static void enableLaxMixedContentChecking(bool);

[abarth-chromium, 2014/07/01 02:11:22]

This one was just added.  Presumably it's about to be used.  :)

LGTM for the rest though.

-
 private:
     WebRuntimeFeatures();
 };