compositor-worker: cc->blink mutation plumbing

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 3dea6bed68ce98ddfd7bdc357299660eb44e5e37..09ac5dad547764eb795299198a120ee62d2447fe 100644
--- a/third_party/WebKit/Source/web/WebViewImpl.cpp
+++ b/third_party/WebKit/Source/web/WebViewImpl.cpp
@@ -34,6 +34,7 @@
 #include "core/HTMLNames.h"
 #include "core/InputTypeNames.h"
 #include "core/clipboard/DataObject.h"
+#include "core/dom/DOMNodeIds.h"
 #include "core/dom/Document.h"
 #include "core/dom/Fullscreen.h"
 #include "core/dom/LayoutTreeBuilderTraversal.h"
@@ -111,6 +112,7 @@
 #include "platform/exported/WebActiveGestureAnimation.h"
 #include "platform/fonts/FontCache.h"
 #include "platform/graphics/Color.h"
+#include "platform/graphics/CompositorMutation.h"
 #include "platform/graphics/FirstPaintInvalidationTracking.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/Image.h"
@@ -4457,6 +4459,17 @@ void WebViewImpl::recordFrameTimingEvent(FrameTimingEventType eventType, int64_t
     }
 }
 
+void WebViewImpl::applyCompositorMutations(const WebCompositorMutations& mutations)
+{
+    TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("compositor-worker"), "WebViewImpl::applyCompositorMutations");
+    for (const auto& entry : static_cast<const CompositorMutations&>(mutations).map) {
+        int elementId = entry.key;
+        const CompositorMutation& mutation = *entry.value;
+        if (Node* node = DOMNodeIds::nodeForId(elementId))
+            toElement(node)->updateFromCompositorMutation(mutation);
+    }
+}
+
 void WebViewImpl::updateLayerTreeViewport()
 {
     if (!page() || !m_layerTreeView)