2 files changed, 8 insertions, 3 deletions
diff --git a/WebCore/platform/graphics/android/GLWebViewState.cpp b/WebCore/platform/graphics/android/GLWebViewState.cpp
index 444ff17..62eab0f 100644
--- a/WebCore/platform/graphics/android/GLWebViewState.cpp
+++ b/WebCore/platform/graphics/android/GLWebViewState.cpp
@@ -111,13 +111,17 @@ GLWebViewState::~GLWebViewState()
 }
 
 void GLWebViewState::setBaseLayer(BaseLayerAndroid* layer, const SkRegion& inval,
-                                  bool showVisualIndicator)
+                                  bool showVisualIndicator, bool isPictureAfterFirstLayout)
 {
     android::Mutex::Autolock lock(m_baseLayerLock);
-    if (!layer) {
+    if (!layer || isPictureAfterFirstLayout) {
         m_tiledPageA->setUsable(false);
         m_tiledPageB->setUsable(false);
     }
+    if (isPictureAfterFirstLayout) {
+        m_baseLayerUpdate = true;
+        m_invalidateRegion.setEmpty();
+    }
     if (m_baseLayer && layer)
         m_baseLayer->swapExtra(layer);
     m_baseLayer = layer;
diff --git a/WebCore/platform/graphics/android/GLWebViewState.h b/WebCore/platform/graphics/android/GLWebViewState.h
index 3f68757..e3b33f2 100644
--- a/WebCore/platform/graphics/android/GLWebViewState.h
+++ b/WebCore/platform/graphics/android/GLWebViewState.h
@@ -175,7 +175,8 @@ public:
     void resetTransitionTime() { m_transitionTime = -1; }
 
     unsigned int paintBaseLayerContent(SkCanvas* canvas);
-    void setBaseLayer(BaseLayerAndroid* layer, const SkRegion& inval, bool showVisualIndicator);
+    void setBaseLayer(BaseLayerAndroid* layer, const SkRegion& inval, bool showVisualIndicator,
+                      bool isPictureAfterFirstLayout);
     void setExtra(BaseLayerAndroid*, SkPicture&, const IntRect&, bool allowSame);
     void scheduleUpdate(const double& currentTime, const SkIRect& viewport, float scale);