Revert "Remove use of DeferredTextureImageData APIs and Support Decode to Scale"

This reverts commit 86c790e6.

Reason for revert: This is causing performance / memory regressions that are trickier to address than expected. Reverting this for now.

Original change's description:
> Remove use of DeferredTextureImageData APIs and Support Decode to Scale
> 
> We aren't benefitting from the complexity added by the
> DeferredTextureImageData APIs, and this API blocks us from using
> PaintImage::Decode's decode-to-scale functionality.
> 
> This change removes our usage of DeferredTextureImageData APIs,
> instead using SkImage::makeTextureImage to handle upload. Additionally,
> we now use the PaintImage::Decode API, adding decode-to-scale support.
> 
> Bug: 773799
> Cq-Include-Trybots: master.tryserver.blink:linux_trusty_blink_rel
> Change-Id: Ia5f480213c3a5c8225ccd289aa2c081056840f94
> Reviewed-on: https://chromium-review.googlesource.com/713593
> Reviewed-by: vmpstr <vmpstr@chromium.org>
> Commit-Queue: Eric Karl <ericrk@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#517206}

TBR=vmpstr@chromium.org,ericrk@chromium.org

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: 773799
Cq-Include-Trybots: master.tryserver.blink:linux_trusty_blink_rel;master.tryserver.chromium.android:android_optional_gpu_tests_rel
Change-Id: Ie4493559e334100f03dfed1dfb7a408fc26a33e0
Reviewed-on: https://chromium-review.googlesource.com/830587
Commit-Queue: Eric Karl <ericrk@chromium.org>
Reviewed-by: Eric Karl <ericrk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#524613}

cc/paint/paint_image.h

@@ -161,6 +161,9 @@ class CC_PAINT_EXPORT PaintImage {
   // Returns the total number of frames known to exist in this image.
   size_t FrameCount() const;
 
+  // Returns an SkImage for the frame at |index|.
+  sk_sp<SkImage> GetSkImageForFrame(size_t index) const;
+
   std::string ToString() const;
 
  private:
@@ -179,9 +182,6 @@ class CC_PAINT_EXPORT PaintImage {
   void CreateSkImage();
   PaintImage MakeSubset(const gfx::Rect& subset) const;
 
-  // Returns an SkImage for the frame at |index|.
-  sk_sp<SkImage> GetSkImageForFrame(size_t index) const;
-
   sk_sp<SkImage> sk_image_;
 
   sk_sp<PaintRecord> paint_record_;

cc/tiles/gpu_image_decode_cache.h

@@ -203,14 +203,9 @@ class CC_EXPORT GpuImageDecodeCache
     void Unlock();
 
     void SetLockedData(std::unique_ptr<base::DiscardableMemory> data,
-                       sk_sp<SkImage> image,
                        bool out_of_raster);
     void ResetData();
     base::DiscardableMemory* data() const { return data_.get(); }
-    sk_sp<SkImage> image() const {
-      DCHECK(is_locked());
-      return image_;
-    }
 
     bool decode_failure = false;
     // Similar to |task|, but only is generated if there is no associated upload
@@ -221,7 +216,6 @@ class CC_EXPORT GpuImageDecodeCache
     void ReportUsageStats() const;
 
     std::unique_ptr<base::DiscardableMemory> data_;
-    sk_sp<SkImage> image_;
   };
 
   // Stores the GPU-side image and supporting fields.
@@ -249,15 +243,13 @@ class CC_EXPORT GpuImageDecodeCache
     ImageData(DecodedDataMode mode,
               size_t size,
               const gfx::ColorSpace& target_color_space,
-              SkFilterQuality quality,
-              int mip_level);
+              const SkImage::DeferredTextureImageUsageParams& upload_params);
 
     const DecodedDataMode mode;
     const size_t size;
     gfx::ColorSpace target_color_space;
-    SkFilterQuality quality;
-    int mip_level;
     bool is_at_raster = false;
+    SkImage::DeferredTextureImageUsageParams upload_params;
 
     // If true, this image is no longer in our |persistent_cache_| and will be
     // deleted as soon as its ref count reaches zero.
@@ -381,7 +373,7 @@ class CC_EXPORT GpuImageDecodeCache
 
   const SkColorType color_type_;
   viz::ContextProvider* context_;
-  int max_texture_size_ = 0;
+  sk_sp<GrContextThreadSafeProxy> context_threadsafe_proxy_;
 
   // All members below this point must only be accessed while holding |lock_|.
   // The exception are const members like |normal_max_cache_bytes_| that can