[Devtools] Fixed devtools altering srcset image after close

third_party/WebKit/Source/web/WebViewImpl.cpp

Index: third_party/WebKit/Source/web/WebViewImpl.cpp
diff --git a/third_party/WebKit/Source/web/WebViewImpl.cpp b/third_party/WebKit/Source/web/WebViewImpl.cpp
index f7bc3458e2db634245d22949e61f6a50f92e6a75..30d6f3419be58a80fc1299aa57c37714f00c8cee 100644
--- a/third_party/WebKit/Source/web/WebViewImpl.cpp
+++ b/third_party/WebKit/Source/web/WebViewImpl.cpp
@@ -49,6 +49,7 @@
 #include "core/events/KeyboardEvent.h"
 #include "core/events/UIEventWithKeyState.h"
 #include "core/events/WheelEvent.h"
+#include "core/fetch/MemoryCache.h"
 #include "core/fetch/UniqueIdentifier.h"
 #include "core/frame/BrowserControls.h"
 #include "core/frame/EventHandlerRegistry.h"
@@ -3455,6 +3456,7 @@ void WebViewImpl::setCompositorDeviceScaleFactorOverride(
     float deviceScaleFactor) {
   if (m_compositorDeviceScaleFactorOverride == deviceScaleFactor)
     return;
+  memoryCache()->evictResources();

[dgozman, 2016/12/14 20:05:39]

This is a strange place for evicting from memory cache. Why does compositor
scale have anything to do with it?

I'd rather move it back.

   m_compositorDeviceScaleFactorOverride = deviceScaleFactor;
   if (m_zoomFactorForDeviceScaleFactor) {
     setZoomLevel(zoomLevel());