A speculative Revert for r165872 - Remove static thread pointers from CC, attempt 2

cc/tiled_layer_impl_unittest.cc

Index: cc/tiled_layer_impl_unittest.cc
===================================================================
--- cc/tiled_layer_impl_unittest.cc	(revision 165906)
+++ cc/tiled_layer_impl_unittest.cc	(working copy)
@@ -46,6 +46,8 @@
 
 TEST(TiledLayerImplTest, emptyQuadList)
 {
+    DebugScopedSetImplThread scopedImplThread;
+
     const gfx::Size tileSize(90, 90);
     const int numTilesX = 8;
     const int numTilesY = 4;
@@ -99,6 +101,8 @@
 
 TEST(TiledLayerImplTest, checkerboarding)
 {
+    DebugScopedSetImplThread scopedImplThread;
+
     const gfx::Size tileSize(10, 10);
     const int numTilesX = 2;
     const int numTilesY = 2;
@@ -158,6 +162,8 @@
 
 static void coverageVisibleRectOnTileBoundaries(LayerTilingData::BorderTexelOption borders)
 {
+    DebugScopedSetImplThread scopedImplThread;
+
     gfx::Size layerSize(1000, 1000);
     QuadList quads;
     SharedQuadStateList sharedStates;
@@ -168,6 +174,8 @@
 
 static void coverageVisibleRectIntersectsTiles(LayerTilingData::BorderTexelOption borders)
 {
+    DebugScopedSetImplThread scopedImplThread;
+
     // This rect intersects the middle 3x3 of the 5x5 tiles.
     gfx::Point topLeft(65, 73);
     gfx::Point bottomRight(182, 198);
@@ -183,6 +191,8 @@
 
 static void coverageVisibleRectIntersectsBounds(LayerTilingData::BorderTexelOption borders)
 {
+    DebugScopedSetImplThread scopedImplThread;
+
     gfx::Size layerSize(220, 210);
     gfx::Rect visibleContentRect(gfx::Point(), layerSize);
     QuadList quads;
@@ -194,6 +204,8 @@
 
 TEST(TiledLayerImplTest, textureInfoForLayerNoBorders)
 {
+    DebugScopedSetImplThread scopedImplThread;
+
     gfx::Size tileSize(50, 50);
     gfx::Size layerSize(250, 250);
     QuadList quads;
@@ -213,6 +225,8 @@
 
 TEST(TiledLayerImplTest, tileOpaqueRectForLayerNoBorders)
 {
+    DebugScopedSetImplThread scopedImplThread;
+
     gfx::Size tileSize(50, 50);
     gfx::Size layerSize(250, 250);
     QuadList quads;