Add flag to enable rendering of text using signed distance fields.

cc/resources/prioritized_tile_set_unittest.cc

Index: cc/resources/prioritized_tile_set_unittest.cc
diff --git a/cc/resources/prioritized_tile_set_unittest.cc b/cc/resources/prioritized_tile_set_unittest.cc
index ebe144ed4b1df6270e6c7bbb1696da30eab37109..69fef52627382fc5bd6b5d2804ca9dc9503239b1 100644
--- a/cc/resources/prioritized_tile_set_unittest.cc
+++ b/cc/resources/prioritized_tile_set_unittest.cc
@@ -57,7 +57,8 @@ class PrioritizedTileSetTest : public testing::Test {
     shared_bitmap_manager_.reset(new TestSharedBitmapManager());
     resource_provider_ =
         ResourceProvider::Create(
-            output_surface_.get(), shared_bitmap_manager_.get(), 0, false, 1)
+            output_surface_.get(), shared_bitmap_manager_.get(), 0, false, 1,
+            false)
             .Pass();
     resource_pool_ = ResourcePool::Create(
         resource_provider_.get(), GL_TEXTURE_2D, RGBA_8888);