Don't create newer LayerTexture when hitting upper bound.

bug:4976882
Change-Id: If1c913da8bdc3a310a3a665dc895711093fb8788

diff --git a/Source/WebCore/platform/graphics/android/TilesManager.cpp b/Source/WebCore/platform/graphics/android/TilesManager.cpp
index b4df0a1..2259072 100644 (file)
--- a/Source/WebCore/platform/graphics/android/TilesManager.cpp
+++ b/Source/WebCore/platform/graphics/android/TilesManager.cpp
@@ -355,6 +355,10 @@ LayerTexture* TilesManager::createTextureForLayer(LayerAndroid* layer, const Int
     if (m_layersMemoryUsage + size > MAX_LAYERS_ALLOCATION)
         cleanupLayersTextures(layer, true);
 
+    // If the cleanup can't achieve the goal, then don't create a layerTexture.
+    if (m_layersMemoryUsage + size > MAX_LAYERS_ALLOCATION)
+        return 0;
+
     LayerTexture* texture = new LayerTexture(w, h);
     texture->setId(layer->uniqueId());
     texture->setRect(rect);