cc: Add scaling for checkered images.

cc/tiles/decoded_image_tracker_unittest.cc

Index: cc/tiles/decoded_image_tracker_unittest.cc
diff --git a/cc/tiles/decoded_image_tracker_unittest.cc b/cc/tiles/decoded_image_tracker_unittest.cc
index 6b8b25ab02fb9c217d18303fe3f18aa3fa293944..ef835ed2c2fc9e303bb1649592e26ed557c196ee 100644
--- a/cc/tiles/decoded_image_tracker_unittest.cc
+++ b/cc/tiles/decoded_image_tracker_unittest.cc
@@ -5,6 +5,7 @@
 #include <vector>
 
 #include "base/bind.h"
+#include "cc/test/skia_common.h"
 #include "cc/tiles/decoded_image_tracker.h"
 #include "cc/tiles/image_controller.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ -22,7 +23,7 @@ class TestImageController : public ImageController {
   }
 
   ImageDecodeRequestId QueueImageDecode(
-      sk_sp<const SkImage> image,
+      const DrawImage& image,
       const ImageDecodedCallback& callback) override {
     auto id = next_id_++;
     locked_ids_.push_back(id);
@@ -56,8 +57,9 @@ class DecodedImageTrackerTest : public testing::Test {
 TEST_F(DecodedImageTrackerTest, QueueImageLocksImages) {
   bool locked = false;
   decoded_image_tracker()->QueueImageDecode(
-      nullptr, base::Bind([](bool* locked, bool success) { *locked = true; },
-                          base::Unretained(&locked)));
+      CreateDiscardableImage(gfx::Size(1, 1)),
+      base::Bind([](bool* locked, bool success) { *locked = true; },
+                 base::Unretained(&locked)));
   EXPECT_TRUE(locked);
   EXPECT_EQ(1u, image_controller()->num_locked_images());
 }
@@ -65,8 +67,9 @@ TEST_F(DecodedImageTrackerTest, QueueImageLocksImages) {
 TEST_F(DecodedImageTrackerTest, NotifyFrameFinishedUnlocksImages) {
   bool locked = false;
   decoded_image_tracker()->QueueImageDecode(
-      nullptr, base::Bind([](bool* locked, bool success) { *locked = true; },
-                          base::Unretained(&locked)));
+      CreateDiscardableImage(gfx::Size(1, 1)),
+      base::Bind([](bool* locked, bool success) { *locked = true; },
+                 base::Unretained(&locked)));
   EXPECT_TRUE(locked);
   EXPECT_EQ(1u, image_controller()->num_locked_images());
 
@@ -75,8 +78,9 @@ TEST_F(DecodedImageTrackerTest, NotifyFrameFinishedUnlocksImages) {
 
   locked = false;
   decoded_image_tracker()->QueueImageDecode(
-      nullptr, base::Bind([](bool* locked, bool success) { *locked = true; },
-                          base::Unretained(&locked)));
+      CreateDiscardableImage(gfx::Size(1, 1)),
+      base::Bind([](bool* locked, bool success) { *locked = true; },
+                 base::Unretained(&locked)));
   EXPECT_TRUE(locked);
   EXPECT_EQ(2u, image_controller()->num_locked_images());