cc: Do not limit number of raster tasks for upload limit.

cc/trees/layer_tree_host_unittest.cc

Index: cc/trees/layer_tree_host_unittest.cc
diff --git a/cc/trees/layer_tree_host_unittest.cc b/cc/trees/layer_tree_host_unittest.cc
index e8c629acae0eab131ca1f36fe30e1e97bd3ec3f0..0bc44bc9daa8aff3307647fa398dd7386b3d420c 100644
--- a/cc/trees/layer_tree_host_unittest.cc
+++ b/cc/trees/layer_tree_host_unittest.cc
@@ -4511,7 +4511,6 @@ class LayerTreeHostTestMaxTransferBufferUsageBytes : public LayerTreeHostTest {
  protected:
   virtual void InitializeSettings(LayerTreeSettings* settings) OVERRIDE {
     settings->impl_side_painting = true;
-    settings->default_tile_size = gfx::Size(128, 128);
   }
 
   virtual scoped_ptr<FakeOutputSurface> CreateFakeOutputSurface(bool fallback)
@@ -4542,10 +4541,7 @@ class LayerTreeHostTestMaxTransferBufferUsageBytes : public LayerTreeHostTest {
 
     // Expect that the transfer buffer memory used is equal to the
     // MaxTransferBufferUsageBytes value set in CreateOutputSurface.
-    // NOTE: This is now 1/2 due to raster memory limit in TileManager.
-    //       Only half the limit will be reached unless the task set
-    //       thrashes to a completly new set of tiles.
-    EXPECT_EQ(512 * 1024u, context->GetPeakTransferBufferMemoryUsedBytes());
+    EXPECT_EQ(1024 * 1024u, context->GetTransferBufferMemoryUsedBytes());
     EndTest();
   }