Switch to use SharedBitmapManager all the time in cc_unittests

cc/test/fake_layer_tree_host.h

Index: cc/test/fake_layer_tree_host.h
diff --git a/cc/test/fake_layer_tree_host.h b/cc/test/fake_layer_tree_host.h
index 29426e80db3b7dca29676e2f1ff3cd059061d3ca..fdbf2d61b83acc033de062cb9954b7e86101adc0 100644
--- a/cc/test/fake_layer_tree_host.h
+++ b/cc/test/fake_layer_tree_host.h
@@ -9,6 +9,7 @@
 #include "cc/test/fake_impl_proxy.h"
 #include "cc/test/fake_layer_tree_host_client.h"
 #include "cc/test/fake_layer_tree_host_impl.h"
+#include "cc/test/test_shared_bitmap_manager.h"
 #include "cc/trees/layer_tree_host.h"
 #include "cc/trees/layer_tree_impl.h"
 #include "cc/trees/tree_synchronizer.h"
@@ -53,10 +54,11 @@ class FakeLayerTreeHost : public LayerTreeHost {
   FakeLayerTreeHost(LayerTreeHostClient* client,
                     const LayerTreeSettings& settings)
       : LayerTreeHost(client, NULL, settings),
-        host_impl_(settings, &proxy_),
+        host_impl_(settings, &proxy_, &manager_),
         needs_commit_(false) {}
 
   FakeImplProxy proxy_;
+  TestSharedBitmapManager manager_;
   FakeLayerTreeHostImpl host_impl_;
   bool needs_commit_;
 };