Measure usage of image/media/plugin/text documents

third_party/WebKit/Source/core/html/ImageDocument.cpp

Index: third_party/WebKit/Source/core/html/ImageDocument.cpp
diff --git a/third_party/WebKit/Source/core/html/ImageDocument.cpp b/third_party/WebKit/Source/core/html/ImageDocument.cpp
index 0de08f1ced5b41b7d40d39d7857734ecbb456a4b..37b578bb13bb98e7122e65274a05ecb322e053d0 100644
--- a/third_party/WebKit/Source/core/html/ImageDocument.cpp
+++ b/third_party/WebKit/Source/core/html/ImageDocument.cpp
@@ -104,7 +104,6 @@ private:
     ImageDocumentParser(ImageDocument* document)
         : RawDataDocumentParser(document)
     {
-        UseCounter::count(document, UseCounter::ImageDocument);
     }
 
     void appendBytes(const char*, size_t) override;
@@ -194,6 +193,9 @@ ImageDocument::ImageDocument(const DocumentInit& initializer)
 {
     setCompatibilityMode(QuirksMode);
     lockCompatibilityMode();
+    UseCounter::count(*this, UseCounter::ImageDocument);
+    if (ownerElement())
+        UseCounter::count(*this, UseCounter::ImageDocumentInFrame);
 }
 
 DocumentParser* ImageDocument::createParser()