Revert of Make the compositing assert disabler for paint invalidation more targeted.

Source/core/rendering/RenderView.cpp

Index: Source/core/rendering/RenderView.cpp
diff --git a/Source/core/rendering/RenderView.cpp b/Source/core/rendering/RenderView.cpp
index 6f2ee39eb12e6c96b822a4226e6982519d25bde2..de8d07d1456ce345bfe93fa1cd4eddafd00e8485 100644
--- a/Source/core/rendering/RenderView.cpp
+++ b/Source/core/rendering/RenderView.cpp
@@ -589,10 +589,6 @@
 {
     HashSet<RenderBlock*> processedBlocks;
 
-    // For querying RenderLayer::compositingState()
-    // FIXME: this may be wrong. crbug.com/407416
-    DisableCompositingQueryAsserts disabler;
-
     RenderObject* end = rendererAfterPosition(m_selectionEnd, m_selectionEndPos);
     for (RenderObject* o = m_selectionStart; o && o != end; o = o->nextInPreOrder()) {
         if (!o->canBeSelectionLeaf() && o != m_selectionStart && o != m_selectionEnd)
@@ -746,10 +742,6 @@
     if (!m_frameView || blockPaintInvalidationMode == PaintInvalidationNothing)
         return;
 
-    // For querying RenderLayer::compositingState()
-    // FIXME: this is wrong, selection should not cause eager invalidation. crbug.com/407416
-    DisableCompositingQueryAsserts disabler;
-
     // Have any of the old selected objects changed compared to the new selection?
     for (SelectedObjectMap::iterator i = oldSelectedObjects.begin(); i != oldObjectsEnd; ++i) {
         RenderObject* obj = i->key;
@@ -802,10 +794,6 @@
 
 void RenderView::clearSelection()
 {
-    // For querying RenderLayer::compositingState()
-    // This is correct, since destroying render objects needs to cause eager paint invalidations.
-    DisableCompositingQueryAsserts disabler;
-
     layer()->invalidatePaintForBlockSelectionGaps();
     setSelection(0, -1, 0, -1, PaintInvalidationNewMinusOld);
 }