Clean up some redundant code

bug:6457191

Change-Id: Ie3ec0315151119b4428fdd97451084894f63db13

2 files changed, 2 insertions, 6 deletions

diff --git a/Source/WebCore/platform/graphics/android/rendering/SurfaceCollection.cpp b/Source/WebCore/platform/graphics/android/rendering/SurfaceCollection.cpp
index f3415af..f96feb5 100644
--- a/Source/WebCore/platform/graphics/android/rendering/SurfaceCollection.cpp
+++ b/Source/WebCore/platform/graphics/android/rendering/SurfaceCollection.cpp
@@ -158,16 +158,12 @@ bool SurfaceCollection::isReady()
 
 bool SurfaceCollection::isBaseSurfaceReady()
 {
-    if (!m_compositedRoot || !m_surfaces[0])
-        return false;
+    // m_surfaces[0] should be the base surface when in single surface mode.
     return m_surfaces[0]->isReady();
 }
 
 bool SurfaceCollection::isMissingBackgroundContent()
 {
-    if (!m_compositedRoot)
-        return true;
-
     // return true when the first surface is missing content (indicating the
     // entire viewport isn't covered)
     return m_surfaces[0]->isMissingContent();
diff --git a/Source/WebCore/platform/graphics/android/rendering/SurfaceCollection.h b/Source/WebCore/platform/graphics/android/rendering/SurfaceCollection.h
index b502142..97d5c73 100644
--- a/Source/WebCore/platform/graphics/android/rendering/SurfaceCollection.h
+++ b/Source/WebCore/platform/graphics/android/rendering/SurfaceCollection.h
@@ -72,7 +72,7 @@ public:
 
 private:
     void updateLayerPositions(const SkRect& visibleContentRect);
-    BaseLayerAndroid* m_compositedRoot;
+    BaseLayerAndroid* const m_compositedRoot;
     WTF::Vector<Surface*> m_surfaces;
 };