[ImageResource 1a] Change StyleFetchedImage from ResourceClient to ImageResourceObserver

third_party/WebKit/Source/core/style/StyleFetchedImage.cpp

Index: third_party/WebKit/Source/core/style/StyleFetchedImage.cpp
diff --git a/third_party/WebKit/Source/core/style/StyleFetchedImage.cpp b/third_party/WebKit/Source/core/style/StyleFetchedImage.cpp
index e2f1b4c1dc6c7df35bf4c31828b540f3ac80b09c..cb70d27aaeda09ba4115213ea773aa23ae91985b 100644
--- a/third_party/WebKit/Source/core/style/StyleFetchedImage.cpp
+++ b/third_party/WebKit/Source/core/style/StyleFetchedImage.cpp
@@ -36,7 +36,7 @@ StyleFetchedImage::StyleFetchedImage(ImageResource* image,
                                      const KURL& url)
     : m_image(image), m_document(&document), m_url(url) {
   m_isImageResource = true;
-  m_image->addClient(this);
+  m_image->addObserver(this);
   // ResourceFetcher is not determined from StyleFetchedImage and it is
   // impossible to send a request for refetching.
   m_image->setNotRefetchableDataFromDiskCache();
@@ -46,7 +46,7 @@ StyleFetchedImage::StyleFetchedImage(ImageResource* image,
 StyleFetchedImage::~StyleFetchedImage() {}
 
 void StyleFetchedImage::dispose() {
-  m_image->removeClient(this);
+  m_image->removeObserver(this);
   m_image = nullptr;
 }
 
@@ -110,7 +110,7 @@ void StyleFetchedImage::removeClient(LayoutObject* layoutObject) {
   m_image->removeObserver(layoutObject);
 }
 
-void StyleFetchedImage::notifyFinished(Resource* resource) {
+void StyleFetchedImage::imageNotifyFinished(ImageResource*) {
   if (m_document && m_image && m_image->getImage() &&
       m_image->getImage()->isSVGImage())
     toSVGImage(m_image->getImage())->updateUseCounters(*m_document);
@@ -141,7 +141,6 @@ DEFINE_TRACE(StyleFetchedImage) {
   visitor->trace(m_image);
   visitor->trace(m_document);
   StyleImage::trace(visitor);
-  ResourceClient::trace(visitor);
 }
 
 }  // namespace blink