Turn off computation of the interest rect in cc in synchronized paint mode.

cc/playback/display_list_recording_source_unittest.cc

Index: cc/playback/display_list_recording_source_unittest.cc
diff --git a/cc/playback/display_list_recording_source_unittest.cc b/cc/playback/display_list_recording_source_unittest.cc
index cb9b573e6b6756d68f4279af6beba9a2ff834374..7b4e24d8c021f9d7b3f53d938c1ab0bcdad80d99 100644
--- a/cc/playback/display_list_recording_source_unittest.cc
+++ b/cc/playback/display_list_recording_source_unittest.cc
@@ -121,137 +121,6 @@ TEST(DisplayListRecordingSourceTest, DiscardableImagesWithTransform) {
   }
 }
 
-TEST(DisplayListRecordingSourceTest, ExposesEnoughNewAreaEmpty) {
-  gfx::Size layer_size(1000, 1000);
-
-  // Both empty means there is nothing to do.
-  EXPECT_FALSE(DisplayListRecordingSource::ExposesEnoughNewArea(
-      gfx::Rect(), gfx::Rect(), layer_size));
-  // Going from empty to non-empty means we must re-record because it could be
-  // the first frame after construction or Clear.
-  EXPECT_TRUE(DisplayListRecordingSource::ExposesEnoughNewArea(
-      gfx::Rect(), gfx::Rect(1, 1), layer_size));
-
-  // Going from non-empty to empty is not special-cased.
-  EXPECT_FALSE(DisplayListRecordingSource::ExposesEnoughNewArea(
-      gfx::Rect(1, 1), gfx::Rect(), layer_size));
-}
-
-TEST(DisplayListRecordingSourceTest, ExposesEnoughNewAreaNotBigEnough) {
-  gfx::Size layer_size(1000, 1000);
-  gfx::Rect current_recorded_viewport(100, 100, 100, 100);
-  EXPECT_FALSE(DisplayListRecordingSource::ExposesEnoughNewArea(
-      current_recorded_viewport, gfx::Rect(100, 100, 90, 90), layer_size));
-  EXPECT_FALSE(DisplayListRecordingSource::ExposesEnoughNewArea(
-      current_recorded_viewport, gfx::Rect(100, 100, 100, 100), layer_size));
-  EXPECT_FALSE(DisplayListRecordingSource::ExposesEnoughNewArea(
-      current_recorded_viewport, gfx::Rect(1, 1, 200, 200), layer_size));
-}
-
-TEST(DisplayListRecordingSourceTest,
-     ExposesEnoughNewAreaNotBigEnoughButNewAreaTouchesEdge) {
-  gfx::Size layer_size(500, 500);
-  gfx::Rect current_recorded_viewport(100, 100, 100, 100);
-
-  // Top edge.
-  EXPECT_TRUE(DisplayListRecordingSource::ExposesEnoughNewArea(
-      current_recorded_viewport, gfx::Rect(100, 0, 100, 200), layer_size));
-
-  // Left edge.
-  EXPECT_TRUE(DisplayListRecordingSource::ExposesEnoughNewArea(
-      current_recorded_viewport, gfx::Rect(0, 100, 200, 100), layer_size));
-
-  // Bottom edge.
-  EXPECT_TRUE(DisplayListRecordingSource::ExposesEnoughNewArea(
-      current_recorded_viewport, gfx::Rect(100, 100, 100, 400), layer_size));
-
-  // Right edge.
-  EXPECT_TRUE(DisplayListRecordingSource::ExposesEnoughNewArea(
-      current_recorded_viewport, gfx::Rect(100, 100, 400, 100), layer_size));
-}
-
-// Verifies that having a current viewport that touches a layer edge does not
-// force re-recording.
-TEST(DisplayListRecordingSourceTest,
-     ExposesEnoughNewAreaCurrentViewportTouchesEdge) {
-  gfx::Size layer_size(500, 500);
-  gfx::Rect potential_new_viewport(100, 100, 300, 300);
-
-  // Top edge.
-  EXPECT_FALSE(DisplayListRecordingSource::ExposesEnoughNewArea(
-      gfx::Rect(100, 0, 100, 100), potential_new_viewport, layer_size));
-
-  // Left edge.
-  EXPECT_FALSE(DisplayListRecordingSource::ExposesEnoughNewArea(
-      gfx::Rect(0, 100, 100, 100), potential_new_viewport, layer_size));
-
-  // Bottom edge.
-  EXPECT_FALSE(DisplayListRecordingSource::ExposesEnoughNewArea(
-      gfx::Rect(300, 400, 100, 100), potential_new_viewport, layer_size));
-
-  // Right edge.
-  EXPECT_FALSE(DisplayListRecordingSource::ExposesEnoughNewArea(
-      gfx::Rect(400, 300, 100, 100), potential_new_viewport, layer_size));
-}
-
-TEST(DisplayListRecordingSourceTest, ExposesEnoughNewAreaScrollScenarios) {
-  gfx::Size layer_size(1000, 1000);
-  gfx::Rect current_recorded_viewport(100, 100, 100, 100);
-
-  gfx::Rect new_recorded_viewport(current_recorded_viewport);
-  new_recorded_viewport.Offset(512, 0);
-  EXPECT_FALSE(DisplayListRecordingSource::ExposesEnoughNewArea(
-      current_recorded_viewport, new_recorded_viewport, layer_size));
-  new_recorded_viewport.Offset(0, 512);
-  EXPECT_FALSE(DisplayListRecordingSource::ExposesEnoughNewArea(
-      current_recorded_viewport, new_recorded_viewport, layer_size));
-
-  new_recorded_viewport.Offset(1, 0);
-  EXPECT_TRUE(DisplayListRecordingSource::ExposesEnoughNewArea(
-      current_recorded_viewport, new_recorded_viewport, layer_size));
-
-  new_recorded_viewport.Offset(-1, 1);
-  EXPECT_TRUE(DisplayListRecordingSource::ExposesEnoughNewArea(
-      current_recorded_viewport, new_recorded_viewport, layer_size));
-}
-
-// Verifies that UpdateAndExpandInvalidation calls ExposesEnoughNewArea with the
-// right arguments.
-TEST(DisplayListRecordingSourceTest,
-     ExposesEnoughNewAreaCalledWithCorrectArguments) {
-  DisplayListRecordingSource recording_source;
-  FakeContentLayerClient client;
-  Region invalidation;
-  gfx::Size layer_size(9000, 9000);
-  gfx::Rect visible_rect(0, 0, 256, 256);
-
-  recording_source.UpdateAndExpandInvalidation(
-      &client, &invalidation, layer_size, visible_rect, 0,
-      DisplayListRecordingSource::RECORD_NORMALLY);
-  EXPECT_EQ(gfx::Rect(0, 0, 4256, 4256), recording_source.recorded_viewport());
-
-  visible_rect.Offset(0, 512);
-  recording_source.UpdateAndExpandInvalidation(
-      &client, &invalidation, layer_size, visible_rect, 0,
-      DisplayListRecordingSource::RECORD_NORMALLY);
-  EXPECT_EQ(gfx::Rect(0, 0, 4256, 4256), recording_source.recorded_viewport());
-
-  // Move past the threshold for enough exposed new area.
-  visible_rect.Offset(0, 1);
-  recording_source.UpdateAndExpandInvalidation(
-      &client, &invalidation, layer_size, visible_rect, 0,
-      DisplayListRecordingSource::RECORD_NORMALLY);
-  EXPECT_EQ(gfx::Rect(0, 0, 4256, 4769), recording_source.recorded_viewport());
-
-  // Make the bottom of the potential new recorded viewport coincide with the
-  // layer's bottom edge.
-  visible_rect.Offset(0, 231);
-  recording_source.UpdateAndExpandInvalidation(
-      &client, &invalidation, layer_size, visible_rect, 0,
-      DisplayListRecordingSource::RECORD_NORMALLY);
-  EXPECT_EQ(gfx::Rect(0, 0, 4256, 4769), recording_source.recorded_viewport());
-}
-
 TEST(DisplayListRecordingSourceTest, NoGatherImageEmptyImages) {
   gfx::Rect recorded_viewport(0, 0, 256, 256);