Add UseCounter for RenderRuby

Source/core/rendering/RenderRuby.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 
 #include "core/rendering/RenderRuby.h"
 
+#include "core/frame/UseCounter.h"
 #include "core/rendering/RenderRubyRun.h"
 #include "core/rendering/style/RenderStyle.h"
 #include "wtf/RefPtr.h"
 
 namespace blink {
 
 //=== generic helper functions to avoid excessive code duplication ===
 
 static inline bool isAnonymousRubyInlineBlock(const RenderObject* object)
 {
@@ skipping 59 matching lines @@
     while (child && !child->isRubyRun())
         child = child->parent();
     return toRenderRubyRun(child);
 }
 
 //=== ruby as inline object ===
 
 RenderRubyAsInline::RenderRubyAsInline(Element* element)
     : RenderInline(element)
 {
+    UseCounter::count(document(), UseCounter::RenderRuby);
 }
 
 RenderRubyAsInline::~RenderRubyAsInline()
 {
 }
 
 void RenderRubyAsInline::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
 {
     RenderInline::styleDidChange(diff, oldStyle);
     propagateStyleToAnonymousChildren();
@@ skipping 88 matching lines @@
     RenderRubyRun* run = findRubyRunParent(child);
     ASSERT(run);
     run->removeChild(child);
 }
 
 //=== ruby as block object ===
 
 RenderRubyAsBlock::RenderRubyAsBlock(Element* element)
     : RenderBlockFlow(element)
 {
+    UseCounter::count(document(), UseCounter::RenderRuby);
 }
 
 RenderRubyAsBlock::~RenderRubyAsBlock()
 {
 }
 
 void RenderRubyAsBlock::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
 {
     RenderBlockFlow::styleDidChange(diff, oldStyle);
     propagateStyleToAnonymousChildren();
@@ skipping 84 matching lines @@
         return;
     }
 
     // Otherwise find the containing run and remove it from there.
     RenderRubyRun* run = findRubyRunParent(child);
     ASSERT(run);
     run->removeChild(child);
 }
 
 } // namespace blink