cc: Rename DisplayListRasterSource to just RasterSource.

cc/BUILD.gn

Index: cc/BUILD.gn
diff --git a/cc/BUILD.gn b/cc/BUILD.gn
index 5d5d1c69276b5755adc899bc8b0d0f7d998d6bbf..2513c6ea02d08eb32018c55abd3d1a4bfedbfece 100644
--- a/cc/BUILD.gn
+++ b/cc/BUILD.gn
@@ -293,8 +293,6 @@ component("cc") {
     "playback/display_item_list_settings.h",
     "playback/display_item_proto_factory.cc",
     "playback/display_item_proto_factory.h",
-    "playback/display_list_raster_source.cc",
-    "playback/display_list_raster_source.h",
     "playback/display_list_recording_source.cc",
     "playback/display_list_recording_source.h",
     "playback/draw_image.cc",
@@ -309,6 +307,8 @@ component("cc") {
     "playback/image_hijack_canvas.h",
     "playback/largest_display_item.cc",
     "playback/largest_display_item.h",
+    "playback/raster_source.cc",
+    "playback/raster_source.h",
     "playback/skip_image_canvas.cc",
     "playback/skip_image_canvas.h",
     "playback/transform_display_item.cc",
@@ -586,8 +586,6 @@ source_set("test_support") {
     "test/fake_channel_impl.h",
     "test/fake_content_layer_client.cc",
     "test/fake_content_layer_client.h",
-    "test/fake_display_list_raster_source.cc",
-    "test/fake_display_list_raster_source.h",
     "test/fake_display_list_recording_source.cc",
     "test/fake_display_list_recording_source.h",
     "test/fake_external_begin_frame_source.cc",
@@ -619,6 +617,8 @@ source_set("test_support") {
     "test/fake_picture_layer_tiling_client.h",
     "test/fake_proxy.cc",
     "test/fake_proxy.h",
+    "test/fake_raster_source.cc",
+    "test/fake_raster_source.h",
     "test/fake_renderer_client.cc",
     "test/fake_renderer_client.h",
     "test/fake_rendering_stats_instrumentation.h",
@@ -833,8 +833,8 @@ test("cc_unittests") {
     "output/texture_mailbox_deleter_unittest.cc",
     "playback/discardable_image_map_unittest.cc",
     "playback/display_item_list_unittest.cc",
-    "playback/display_list_raster_source_unittest.cc",
     "playback/display_list_recording_source_unittest.cc",
+    "playback/raster_source_unittest.cc",
     "proto/base_conversions_unittest.cc",
     "proto/cc_conversions_unittest.cc",
     "proto/gfx_conversions_unittest.cc",