cc: Make tiling interest rect calc based on viewport.

cc/resources/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/thread_task_runner_handle.h"
 #include "cc/resources/eviction_tile_priority_queue.h"
 #include "cc/resources/raster_tile_priority_queue.h"
 #include "cc/resources/resource_pool.h"
 #include "cc/resources/tile.h"
 #include "cc/resources/tile_priority.h"
@@ skipping 12 matching lines @@
 #include "cc/test/test_task_graph_runner.h"
 #include "cc/test/test_tile_priorities.h"
 #include "cc/trees/layer_tree_impl.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace cc {
 namespace {
 
 class LowResTilingsSettings : public ImplSidePaintingSettings {
  public:
-  LowResTilingsSettings() { create_low_res_tiling = true; }
+  LowResTilingsSettings() {
+    tiling_interest_area_viewport_multiplier = 10000;
+    create_low_res_tiling = true;
+  }
 };
 
 class TileManagerTilePriorityQueueTest : public testing::Test {
  public:
   TileManagerTilePriorityQueueTest()
       : memory_limit_policy_(ALLOW_ANYTHING),
         max_tiles_(10000),
         ready_to_activate_(false),
         id_(7),
         proxy_(base::ThreadTaskRunnerHandle::Get()),
@@ skipping 1125 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;
+  settings.tiling_interest_area_viewport_multiplier = 10000;
 
   scoped_ptr<PictureLayerTilingSet> tiling_set = PictureLayerTilingSet::Create(
-      ACTIVE_TREE, &client, settings.max_tiles_for_interest_area,
+      ACTIVE_TREE, &client, settings.tiling_interest_area_viewport_multiplier,
       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_viewport_multiplier,
       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 113 matching lines @@
                                                   RGBA_8888);
 
   host_impl_.tile_manager()->CheckIfMoreTilesNeedToBePreparedForTesting();
   EXPECT_FALSE(host_impl_.is_likely_to_require_a_draw());
 
   host_impl_.resource_pool()->ReleaseResource(resource.Pass());
 }
 
 }  // namespace
 }  // namespace cc