Reload image bypassing the cache

Source/core/loader/ImageLoader.cpp

Index: Source/core/loader/ImageLoader.cpp
diff --git a/Source/core/loader/ImageLoader.cpp b/Source/core/loader/ImageLoader.cpp
index ecb7d10eda0468355d192b96f704e1363bb43391..73b07364414860bd2e0e53cef7a4092cd1e3921c 100644
--- a/Source/core/loader/ImageLoader.cpp
+++ b/Source/core/loader/ImageLoader.cpp
@@ -100,7 +100,7 @@ public:
             if (Heap::willObjectBeLazilySwept(m_loader))
                 return;
 #endif
-            m_loader->doUpdateFromElement(m_shouldBypassMainWorldCSP, m_updateBehavior);
+            m_loader->doUpdateFromElement(m_shouldBypassMainWorldCSP, m_updateBehavior, false);
         }
     }
 
@@ -237,7 +237,7 @@ inline void ImageLoader::enqueueImageLoadingMicroTask(UpdateFromElementBehavior
     m_loadDelayCounter = IncrementLoadEventDelayCount::create(m_element->document());
 }
 
-void ImageLoader::doUpdateFromElement(BypassMainWorldBehavior bypassBehavior, UpdateFromElementBehavior updateBehavior)
+void ImageLoader::doUpdateFromElement(BypassMainWorldBehavior bypassBehavior, UpdateFromElementBehavior updateBehavior, bool bypassCache)
 {
     // FIXME: According to
     // http://www.whatwg.org/specs/web-apps/current-work/multipage/embedded-content.html#the-img-element:the-img-element-55
@@ -265,6 +265,8 @@ void ImageLoader::doUpdateFromElement(BypassMainWorldBehavior bypassBehavior, Up
         ResourceLoaderOptions resourceLoaderOptions = ResourceFetcher::defaultResourceOptions();
         ResourceRequest resourceRequest(url);
         resourceRequest.setFetchCredentialsMode(WebURLRequest::FetchCredentialsModeSameOrigin);
+        if (bypassCache)
+            resourceRequest.setCachePolicy(ResourceRequestCachePolicy::ReloadBypassingCache);
         if (isHTMLPictureElement(element()->parentNode()) || !element()->fastGetAttribute(HTMLNames::srcsetAttr).isNull())
             resourceRequest.setRequestContext(WebURLRequest::RequestContextImageSet);
         FetchRequest request(resourceRequest, element()->localName(), resourceLoaderOptions);
@@ -340,7 +342,7 @@ void ImageLoader::doUpdateFromElement(BypassMainWorldBehavior bypassBehavior, Up
     updatedHasPendingEvent();
 }
 
-void ImageLoader::updateFromElement(UpdateFromElementBehavior updateBehavior)
+void ImageLoader::updateFromElement(UpdateFromElementBehavior updateBehavior, bool bypassCache)
 {
     AtomicString imageSourceURL = m_element->imageSourceURL();
     m_suppressErrorEvents = (updateBehavior == UpdateSizeChanged);
@@ -360,7 +362,7 @@ void ImageLoader::updateFromElement(UpdateFromElementBehavior updateBehavior)
 
     KURL url = imageSourceToKURL(imageSourceURL);
     if (shouldLoadImmediately(url)) {
-        doUpdateFromElement(DoNotBypassMainWorldCSP, updateBehavior);
+        doUpdateFromElement(DoNotBypassMainWorldCSP, updateBehavior, bypassCache);
         return;
     }
     // Allow the idiom "img.src=''; img.src='.." to clear down the image before