cc: Change max_tiles_for_interest_rect to be screen pixels padding.

cc/tiles/tile_manager_unittest.cc

 // Copyright 2013 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 "base/run_loop.h"
 #include "base/thread_task_runner_handle.h"
 #include "cc/resources/resource_pool.h"
 #include "cc/test/begin_frame_args_test.h"
 #include "cc/test/fake_impl_proxy.h"
 #include "cc/test/fake_layer_tree_host_impl.h"
@@ skipping 1143 matching lines @@
 
   gfx::Rect viewport(50, 50, 500, 500);
   gfx::Size layer_bounds(1600, 1600);
 
   float inset = PictureLayerTiling::CalculateSoonBorderDistance(viewport, 1.0f);
   gfx::Rect soon_rect = viewport;
   soon_rect.Inset(-inset, -inset);
 
   client.SetTileSize(gfx::Size(30, 30));
   LayerTreeSettings settings;
-  settings.max_tiles_for_interest_area = 10000;

[weiliangc, 2015/07/15 19:56:09]

Like before is this removed because our default |tiling_interest_area_padding|
is big enough?

[vmpstr, 2015/07/16 00:31:03]

Yup.

 
   scoped_ptr<PictureLayerTilingSet> tiling_set = PictureLayerTilingSet::Create(
-      ACTIVE_TREE, &client, settings.max_tiles_for_interest_area,
+      ACTIVE_TREE, &client, settings.tiling_interest_area_padding,
       settings.skewport_target_time_in_seconds,
       settings.skewport_extrapolation_limit_in_content_pixels);
 
   scoped_refptr<FakePicturePileImpl> pile =
       FakePicturePileImpl::CreateFilledPileWithDefaultTileSize(layer_bounds);
   PictureLayerTiling* tiling = tiling_set->AddTiling(1.0f, pile);
   tiling->set_resolution(HIGH_RESOLUTION);
 
   tiling_set->UpdateTilePriorities(viewport, 1.0f, 1.0, Occlusion(), true);
   std::vector<Tile*> all_tiles = tiling->AllTilesForTesting();
@@ skipping 86 matching lines @@
 TEST_F(TileManagerTilePriorityQueueTest,
        RasterTilePriorityQueueMovingViewport) {
   FakePictureLayerTilingClient client;
 
   gfx::Rect viewport(50, 0, 100, 100);
   gfx::Rect moved_viewport(50, 0, 100, 500);
   gfx::Size layer_bounds(1000, 1000);
 
   client.SetTileSize(gfx::Size(30, 30));
   LayerTreeSettings settings;
-  settings.max_tiles_for_interest_area = 10000;
 
   scoped_ptr<PictureLayerTilingSet> tiling_set = PictureLayerTilingSet::Create(
-      ACTIVE_TREE, &client, settings.max_tiles_for_interest_area,
+      ACTIVE_TREE, &client, settings.tiling_interest_area_padding,
       settings.skewport_target_time_in_seconds,
       settings.skewport_extrapolation_limit_in_content_pixels);
 
   scoped_refptr<FakePicturePileImpl> pile =
       FakePicturePileImpl::CreateFilledPileWithDefaultTileSize(layer_bounds);
   PictureLayerTiling* tiling = tiling_set->AddTiling(1.0f, pile);
   tiling->set_resolution(HIGH_RESOLUTION);
 
   tiling_set->UpdateTilePriorities(viewport, 1.0f, 1.0, Occlusion(), true);
   tiling_set->UpdateTilePriorities(moved_viewport, 1.0f, 2.0, Occlusion(),
@@ skipping 224 matching lines @@
         .WillOnce(testing::Invoke([&run_loop]() { run_loop.Quit(); }));
     host_impl_.tile_manager()->PrepareTiles(host_impl_.global_tile_state());
     host_impl_.tile_manager()->SetMoreTilesNeedToBeRasterizedForTesting();
     EXPECT_TRUE(host_impl_.tile_manager()->HasScheduledTileTasksForTesting());
     run_loop.Run();
   }
 }
 
 }  // namespace
 }  // namespace cc