Remove the srcset Runtime Enabled Flag

BUG=363039

Review URL: https://codereview.chromium.org/236753003

git-svn-id: svn://svn.chromium.org/blink/trunk@171490 bbb929c8-8fbe-4397-9dbb-9b2b20218538

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

@@ -154,16 +154,14 @@ void HTMLImageElement::parseAttribute(const QualifiedName& name, const AtomicStr
         if (renderer() && renderer()->isImage())
             toRenderImage(renderer())->updateAltText();
     } else if (name == srcAttr || name == srcsetAttr) {
-        if (RuntimeEnabledFeatures::srcsetEnabled()) {
-            int effectiveSize = -1; // FIXME - hook up the real value from `sizes`
-            ImageCandidate candidate = bestFitSourceForImageAttributes(document().devicePixelRatio(), effectiveSize, fastGetAttribute(srcAttr), fastGetAttribute(srcsetAttr));
-            m_bestFitImageURL = candidate.toAtomicString();
-            float candidateScaleFactor = candidate.scaleFactor();
-            if (candidateScaleFactor > 0)
-                m_imageDevicePixelRatio = 1 / candidateScaleFactor;
-            if (renderer() && renderer()->isImage())
-                toRenderImage(renderer())->setImageDevicePixelRatio(m_imageDevicePixelRatio);
-        }
+        int effectiveSize = -1; // FIXME - hook up the real value from `sizes`
+        ImageCandidate candidate = bestFitSourceForImageAttributes(document().devicePixelRatio(), effectiveSize, fastGetAttribute(srcAttr), fastGetAttribute(srcsetAttr));
+        m_bestFitImageURL = candidate.toAtomicString();
+        float candidateScaleFactor = candidate.scaleFactor();
+        if (candidateScaleFactor > 0)
+            m_imageDevicePixelRatio = 1 / candidateScaleFactor;
+        if (renderer() && renderer()->isImage())
+            toRenderImage(renderer())->setImageDevicePixelRatio(m_imageDevicePixelRatio);
         m_imageLoader.updateFromElementIgnoringPreviousError();
     } else if (name == usemapAttr) {
         setIsLink(!value.isNull());

third_party/WebKit/Source/core/html/HTMLImageElement.idl

@@ -37,7 +37,7 @@
     readonly attribute long naturalHeight;
     readonly attribute long naturalWidth;
     [Reflect, URL, PerWorldBindings, ActivityLogging=SetterForIsolatedWorlds] attribute DOMString src;
-    [Reflect, RuntimeEnabled=Srcset] attribute DOMString srcset;
+    [Reflect] attribute DOMString srcset;
     [Reflect] attribute DOMString useMap;
     [Reflect] attribute long vspace;
     attribute long width;

third_party/WebKit/Source/core/html/parser/HTMLPreloadScanner.cpp

@@ -177,9 +177,7 @@ private:
                 setUrlToLoad(bestFitSourceForImageAttributes(m_mediaValues->devicePixelRatio(), effectiveSize, attributeValue, m_srcsetImageCandidate), AllowURLReplacement);
             } else if (match(attributeName, crossoriginAttr)) {
                 setCrossOriginAllowed(attributeValue);
-            } else if (RuntimeEnabledFeatures::srcsetEnabled()
-                && match(attributeName, srcsetAttr)
-                && m_srcsetImageCandidate.isEmpty()) {
+            } else if (match(attributeName, srcsetAttr) && m_srcsetImageCandidate.isEmpty()) {
                 m_srcsetImageCandidate = bestFitSourceForSrcsetAttribute(m_mediaValues->devicePixelRatio(), effectiveSize, attributeValue);
                 setUrlToLoad(bestFitSourceForImageAttributes(m_mediaValues->devicePixelRatio(), effectiveSize, m_urlToLoad, m_srcsetImageCandidate), AllowURLReplacement);
             }

third_party/WebKit/Source/platform/RuntimeEnabledFeatures.in

@@ -108,7 +108,6 @@ SharedWorker status=stable
 PictureSizes status=experimental
 SpeechInput status=test
 SpeechSynthesis status=stable
-Srcset status=stable
 Stream status=experimental
 StyleScoped status=experimental
 SubpixelFontScaling status=experimental