Revert of Implement DisplayList GatherPixelRefs

cc/resources/display_list_recording_source_unittest.cc

Index: cc/resources/display_list_recording_source_unittest.cc
diff --git a/cc/resources/display_list_recording_source_unittest.cc b/cc/resources/display_list_recording_source_unittest.cc
deleted file mode 100644
index 45c3b80d79cf2ba386c2fdc85581303559161c3e..0000000000000000000000000000000000000000
--- a/cc/resources/display_list_recording_source_unittest.cc
+++ /dev/null
@@ -1,164 +0,0 @@
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include <vector>
-
-#include "cc/resources/display_list_raster_source.h"
-#include "cc/test/fake_display_list_recording_source.h"
-#include "cc/test/skia_common.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace cc {
-namespace {
-
-TEST(DisplayListRecordingSourceTest, DiscardablePixelRefsWithTransform) {
-  gfx::Size grid_cell_size(128, 128);
-  gfx::Rect recorded_viewport(0, 0, 256, 256);
-
-  scoped_ptr<FakeDisplayListRecordingSource> recording_source =
-      FakeDisplayListRecordingSource::CreateRecordingSource(recorded_viewport);
-  recording_source->SetGridCellSize(grid_cell_size);
-  SkBitmap discardable_bitmap[2][2];
-  gfx::Transform identity_transform;
-  CreateBitmap(gfx::Size(32, 32), "discardable", &discardable_bitmap[0][0]);
-  // Translate transform is equivalent to moving using point.
-  gfx::Transform translate_transform;
-  translate_transform.Translate(0, 130);
-  CreateBitmap(gfx::Size(32, 32), "discardable", &discardable_bitmap[1][0]);
-  // This moves the bitmap to center of viewport and rotate, this would make
-  // this bitmap in all four tile grids.
-  gfx::Transform rotate_transform;
-  rotate_transform.Translate(112, 112);
-  rotate_transform.Rotate(45);
-  CreateBitmap(gfx::Size(32, 32), "discardable", &discardable_bitmap[1][1]);
-
-  recording_source->add_draw_bitmap_with_transform(discardable_bitmap[0][0],
-                                                   identity_transform);
-  recording_source->add_draw_bitmap_with_transform(discardable_bitmap[1][0],
-                                                   translate_transform);
-  recording_source->add_draw_bitmap_with_transform(discardable_bitmap[1][1],
-                                                   rotate_transform);
-  recording_source->Rerecord();
-
-  bool can_use_lcd_text = true;
-  scoped_refptr<DisplayListRasterSource> raster_source =
-      DisplayListRasterSource::CreateFromDisplayListRecordingSource(
-          recording_source.get(), can_use_lcd_text);
-
-  // Tile sized iterators. These should find only one pixel ref.
-  {
-    std::vector<SkPixelRef*> pixel_refs;
-    raster_source->GatherPixelRefs(gfx::Rect(0, 0, 128, 128), 1.0, &pixel_refs);
-    EXPECT_FALSE(pixel_refs.empty());
-    EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[0][0].pixelRef());
-    EXPECT_TRUE(pixel_refs[1] == discardable_bitmap[1][1].pixelRef());
-    EXPECT_EQ(2u, pixel_refs.size());
-  }
-  {
-    std::vector<SkPixelRef*> pixel_refs;
-    raster_source->GatherPixelRefs(gfx::Rect(0, 0, 256, 256), 2.0, &pixel_refs);
-    EXPECT_FALSE(pixel_refs.empty());
-    EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[0][0].pixelRef());
-    EXPECT_TRUE(pixel_refs[1] == discardable_bitmap[1][1].pixelRef());
-    EXPECT_EQ(2u, pixel_refs.size());
-  }
-  {
-    std::vector<SkPixelRef*> pixel_refs;
-    raster_source->GatherPixelRefs(gfx::Rect(0, 0, 64, 64), 0.5, &pixel_refs);
-    EXPECT_FALSE(pixel_refs.empty());
-    EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[0][0].pixelRef());
-    EXPECT_TRUE(pixel_refs[1] == discardable_bitmap[1][1].pixelRef());
-    EXPECT_EQ(2u, pixel_refs.size());
-  }
-
-  // Shifted tile sized iterators. These should find only one pixel ref.
-  {
-    std::vector<SkPixelRef*> pixel_refs;
-    raster_source->GatherPixelRefs(gfx::Rect(140, 140, 128, 128), 1.0,
-                                   &pixel_refs);
-    EXPECT_FALSE(pixel_refs.empty());
-    EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[1][1].pixelRef());
-    EXPECT_EQ(1u, pixel_refs.size());
-  }
-  {
-    std::vector<SkPixelRef*> pixel_refs;
-    raster_source->GatherPixelRefs(gfx::Rect(280, 280, 256, 256), 2.0,
-                                   &pixel_refs);
-    EXPECT_FALSE(pixel_refs.empty());
-    EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[1][1].pixelRef());
-    EXPECT_EQ(1u, pixel_refs.size());
-  }
-  {
-    std::vector<SkPixelRef*> pixel_refs;
-    raster_source->GatherPixelRefs(gfx::Rect(70, 70, 64, 64), 0.5, &pixel_refs);
-    EXPECT_FALSE(pixel_refs.empty());
-    EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[1][1].pixelRef());
-    EXPECT_EQ(1u, pixel_refs.size());
-  }
-
-  // The rotated bitmap would still be in the top right tile.
-  {
-    std::vector<SkPixelRef*> pixel_refs;
-    raster_source->GatherPixelRefs(gfx::Rect(140, 0, 128, 128), 1.0,
-                                   &pixel_refs);
-    EXPECT_FALSE(pixel_refs.empty());
-    EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[1][1].pixelRef());
-    EXPECT_EQ(1u, pixel_refs.size());
-  }
-
-  // Layer sized iterators. These should find all 6 pixel refs, including 1
-  // pixel ref bitmap[0][0], 1 pixel ref for bitmap[1][0], and 4 pixel refs for
-  // bitmap[1][1].
-  {
-    std::vector<SkPixelRef*> pixel_refs;
-    raster_source->GatherPixelRefs(gfx::Rect(0, 0, 256, 256), 1.0, &pixel_refs);
-    EXPECT_FALSE(pixel_refs.empty());
-    // Top left tile with bitmap[0][0] and bitmap[1][1].
-    EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[0][0].pixelRef());
-    EXPECT_TRUE(pixel_refs[1] == discardable_bitmap[1][1].pixelRef());
-    // Top right tile with bitmap[1][1].
-    EXPECT_TRUE(pixel_refs[2] == discardable_bitmap[1][1].pixelRef());
-    // Bottom left tile with bitmap[1][0] and bitmap[1][1].
-    EXPECT_TRUE(pixel_refs[3] == discardable_bitmap[1][0].pixelRef());
-    EXPECT_TRUE(pixel_refs[4] == discardable_bitmap[1][1].pixelRef());
-    // Bottom right tile with bitmap[1][1].
-    EXPECT_TRUE(pixel_refs[5] == discardable_bitmap[1][1].pixelRef());
-    EXPECT_EQ(6u, pixel_refs.size());
-  }
-  {
-    std::vector<SkPixelRef*> pixel_refs;
-    raster_source->GatherPixelRefs(gfx::Rect(0, 0, 512, 512), 2.0, &pixel_refs);
-    EXPECT_FALSE(pixel_refs.empty());
-    // Top left tile with bitmap[0][0] and bitmap[1][1].
-    EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[0][0].pixelRef());
-    EXPECT_TRUE(pixel_refs[1] == discardable_bitmap[1][1].pixelRef());
-    // Top right tile with bitmap[1][1].
-    EXPECT_TRUE(pixel_refs[2] == discardable_bitmap[1][1].pixelRef());
-    // Bottom left tile with bitmap[1][0] and bitmap[1][1].
-    EXPECT_TRUE(pixel_refs[3] == discardable_bitmap[1][0].pixelRef());
-    EXPECT_TRUE(pixel_refs[4] == discardable_bitmap[1][1].pixelRef());
-    // Bottom right tile with bitmap[1][1].
-    EXPECT_TRUE(pixel_refs[5] == discardable_bitmap[1][1].pixelRef());
-    EXPECT_EQ(6u, pixel_refs.size());
-  }
-  {
-    std::vector<SkPixelRef*> pixel_refs;
-    raster_source->GatherPixelRefs(gfx::Rect(0, 0, 128, 128), 0.5, &pixel_refs);
-    EXPECT_FALSE(pixel_refs.empty());
-    // Top left tile with bitmap[0][0] and bitmap[1][1].
-    EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[0][0].pixelRef());
-    EXPECT_TRUE(pixel_refs[1] == discardable_bitmap[1][1].pixelRef());
-    // Top right tile with bitmap[1][1].
-    EXPECT_TRUE(pixel_refs[2] == discardable_bitmap[1][1].pixelRef());
-    // Bottom left tile with bitmap[1][0] and bitmap[1][1].
-    EXPECT_TRUE(pixel_refs[3] == discardable_bitmap[1][0].pixelRef());
-    EXPECT_TRUE(pixel_refs[4] == discardable_bitmap[1][1].pixelRef());
-    // Bottom right tile with bitmap[1][1].
-    EXPECT_TRUE(pixel_refs[5] == discardable_bitmap[1][1].pixelRef());
-    EXPECT_EQ(6u, pixel_refs.size());
-  }
-}
-
-}  // namespace
-}  // namespace cc