Switch to use SharedBitmapManager all the time in cc_unittests

cc/animation/scrollbar_animation_controller_thinning_unittest.cc

Index: cc/animation/scrollbar_animation_controller_thinning_unittest.cc
diff --git a/cc/animation/scrollbar_animation_controller_thinning_unittest.cc b/cc/animation/scrollbar_animation_controller_thinning_unittest.cc
index c50c9b469ac0d7bf464a9191f7a96321bdca06c5..383ce22b88a09dde1c10abb7689810ab4e45331e 100644
--- a/cc/animation/scrollbar_animation_controller_thinning_unittest.cc
+++ b/cc/animation/scrollbar_animation_controller_thinning_unittest.cc
@@ -7,6 +7,7 @@
 #include "cc/layers/solid_color_scrollbar_layer_impl.h"
 #include "cc/test/fake_impl_proxy.h"
 #include "cc/test/fake_layer_tree_host_impl.h"
+#include "cc/test/test_shared_bitmap_manager.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace cc {
@@ -14,7 +15,8 @@ namespace {
 
 class ScrollbarAnimationControllerThinningTest : public testing::Test {
  public:
-  ScrollbarAnimationControllerThinningTest() : host_impl_(&proxy_) {}
+  ScrollbarAnimationControllerThinningTest()
+      : host_impl_(&proxy_, &shared_bitmap_manager_) {}
 
  protected:
   virtual void SetUp() {
@@ -49,6 +51,7 @@ class ScrollbarAnimationControllerThinningTest : public testing::Test {
   }
 
   FakeImplProxy proxy_;
+  TestSharedBitmapManager shared_bitmap_manager_;
   FakeLayerTreeHostImpl host_impl_;
   scoped_ptr<ScrollbarAnimationControllerThinning> scrollbar_controller_;
   scoped_ptr<LayerImpl> clip_layer_;