Remove check for whole image in the cache in SkGpuDevice::shouldTileImage

src/gpu/SkGpuDevice.cpp

Index: src/gpu/SkGpuDevice.cpp
diff --git a/src/gpu/SkGpuDevice.cpp b/src/gpu/SkGpuDevice.cpp
index cb532feb6b586790ca142fc09a56967aa15551da..f8b372417eeb03700a16fef63d1d3439cc285d98 100644
--- a/src/gpu/SkGpuDevice.cpp
+++ b/src/gpu/SkGpuDevice.cpp
@@ -758,16 +758,12 @@ bool SkGpuDevice::shouldTileImageID(uint32_t imageID, const SkIRect& imageRect,
         return true;
     }
 
+    // If the image would only produce 4 tiles of the smaller size, don't bother tiling it.
     const size_t area = imageRect.width() * imageRect.height();
     if (area < 4 * kBmpSmallTileSize * kBmpSmallTileSize) {
         return false;
     }
 
-    // if the entire image/bitmap is already in our cache then no reason to tile it
-    if (GrIsImageInCache(fContext, imageID, imageRect, nullptr, params)) {
-        return false;
-    }
-
     // At this point we know we could do the draw by uploading the entire bitmap
     // as a texture. However, if the texture would be large compared to the
     // cache size and we don't require most of it for this draw then tile to
@@ -782,7 +778,8 @@ bool SkGpuDevice::shouldTileImageID(uint32_t imageID, const SkIRect& imageRect,
         return false;
     }
 
-    // Figure out how much of the src we will need based on the src rect and clipping.
+    // Figure out how much of the src we will need based on the src rect and clipping. Reject if
+    // tiling memory savings would be < 50%.
     determine_clipped_src_rect(fRenderTarget, fClip, viewMatrix, imageRect.size(), srcRectPtr,
                                clippedSubset);
     *tileSize = kBmpSmallTileSize; // already know whole bitmap fits in one max sized tile.