Get rid of lazy block.

Source/core/page/FrameView.cpp

Index: Source/core/page/FrameView.cpp
diff --git a/Source/core/page/FrameView.cpp b/Source/core/page/FrameView.cpp
index 8f0cb6b8f1cce3967d9ab878be73eeac73f4bdd7..910c62c297358fc2804826370cb1e3efadd8d04f 100644
--- a/Source/core/page/FrameView.cpp
+++ b/Source/core/page/FrameView.cpp
@@ -63,7 +63,6 @@
 #include "core/rendering/RenderLayer.h"
 #include "core/rendering/RenderLayerBacking.h"
 #include "core/rendering/RenderLayerCompositor.h"
-#include "core/rendering/RenderLazyBlock.h"
 #include "core/rendering/RenderPart.h"
 #include "core/rendering/RenderScrollbar.h"
 #include "core/rendering/RenderScrollbarPart.h"
@@ -1035,8 +1034,6 @@ void FrameView::layout(bool allowSubtree)
         cache->postNotification(rootForThisLayout, AXObjectCache::AXLayoutComplete, true);
     updateAnnotatedRegions();
 
-    layoutLazyBlocks();
-
     ASSERT(!rootForThisLayout->needsLayout());
 
     updateCanBlitOnScrollRecursively();
@@ -1095,35 +1092,6 @@ void FrameView::layout(bool allowSubtree)
         frame()->page()->chrome().client()->layoutUpdated(frame());
 }
 
-void FrameView::layoutLazyBlocks()
-{
-    // FIXME: This infinite recursion protection would seem to break plugins
-    // doing things that require lazy blocks to layout.
-    if (m_nestedLayoutCount != 1)
-        return;
-
-    if (!renderView()->firstLazyBlock())
-        return;
-
-    // First mark all lazy blocks as needing layout and perform another layout.
-    for (RenderLazyBlock* block = renderView()->firstLazyBlock(); block; block = block->next())
-        block->markForNestedLayout();
-
-    layout();
-
-    // FIXME: This is pretty awful if you start nesting lazy blocks, we should
-    // signal to the nested blocks to avoid doing work until the second pass.
-
-    // Next walk all lazy blocks and find nested ones, these need another layout
-    // since the first one would not have placed them correctly inside the viewport.
-    for (RenderLazyBlock* block = renderView()->firstLazyBlock(); block; block = block->next()) {
-        if (!block->isNested())
-            continue;
-        block->setNeedsLayout();
-        layout();
-    }
-}
-
 RenderBox* FrameView::embeddedContentBox() const
 {
     RenderView* renderView = this->renderView();
@@ -1582,8 +1550,6 @@ void FrameView::scrollPositionChanged()
     if (RenderView* renderView = this->renderView()) {
         if (renderView->usesCompositing())
             renderView->compositor()->frameViewDidScroll();
-
-        renderView->markLazyBlocksForLayout();
     }
 }