cc: Fix a number of tests that need content bounds

cc/layer_tree_host_unittest.cc

Index: cc/layer_tree_host_unittest.cc
diff --git a/cc/layer_tree_host_unittest.cc b/cc/layer_tree_host_unittest.cc
index 41744911e8c1e6414d4d0205f2add1044be15241..07c0395f67809408924a1e8b6e73ed07d98f9a6a 100644
--- a/cc/layer_tree_host_unittest.cc
+++ b/cc/layer_tree_host_unittest.cc
@@ -1310,6 +1310,10 @@ public:
         m_childLayer->setAnchorPoint(gfx::PointF(0, 0));
 
         m_layerTreeHost->setRootLayer(m_rootLayer);
+
+        ASSERT_TRUE(m_layerTreeHost->initializeRendererIfNeeded());
+        ResourceUpdateQueue queue;
+        m_layerTreeHost->updateLayers(queue, std::numeric_limits<size_t>::max());
         postSetNeedsCommitToMainThread();
     }
 
@@ -1407,6 +1411,9 @@ public:
         m_layerTreeHost->setRootLayer(m_layer);
         m_layerTreeHost->setViewportSize(gfx::Size(10, 10), gfx::Size(10, 10));
 
+        ASSERT_TRUE(m_layerTreeHost->initializeRendererIfNeeded());
+        ResourceUpdateQueue queue;
+        m_layerTreeHost->updateLayers(queue, std::numeric_limits<size_t>::max());
         postSetNeedsCommitToMainThread();
         postSetNeedsRedrawToMainThread();
     }
@@ -1511,6 +1518,9 @@ public:
         setLayerPropertiesForTesting(m_parent.get(), 0, identityMatrix, gfx::PointF(0, 0), gfx::PointF(0, 0), gfx::Size(10, 20), true);
         setLayerPropertiesForTesting(m_child.get(), m_parent.get(), identityMatrix, gfx::PointF(0, 0), gfx::PointF(0, 10), gfx::Size(10, 10), false);
 
+        ASSERT_TRUE(m_layerTreeHost->initializeRendererIfNeeded());
+        ResourceUpdateQueue queue;
+        m_layerTreeHost->updateLayers(queue, std::numeric_limits<size_t>::max());
         postSetNeedsCommitToMainThread();
         postSetNeedsRedrawToMainThread();
     }