Fix SkiaRenderer + DDL related crash.

Skia has a problem to with GrResourceCache. This CL workaround the issue
by not keep a SkPaint object during frames.

Bug: 905337
Change-Id: I0f44eb7502d41cd54015fe651a373d8bae65fda8
Reviewed-on: https://chromium-review.googlesource.com/c/1342501
Commit-Queue: Peng Huang <penghuang@chromium.org>
Reviewed-by: weiliangc <weiliangc@chromium.org>
Cr-Commit-Position: refs/heads/master@{#609426}

components/viz/service/display/skia_renderer.h

@@ -96,21 +96,22 @@ class VIZ_SERVICE_EXPORT SkiaRenderer : public DirectRenderer {
       const gfx::QuadF* draw_region,
       const gfx::Rect* scissor_rect,
       base::Optional<SkAutoCanvasRestore>* auto_canvas_restore);
-  void DrawDebugBorderQuad(const DebugBorderDrawQuad* quad);
-  void DrawPictureQuad(const PictureDrawQuad* quad);
-  void DrawRenderPassQuad(const RenderPassDrawQuad* quad);
+  void DrawDebugBorderQuad(const DebugBorderDrawQuad* quad, SkPaint* paint);
+  void DrawPictureQuad(const PictureDrawQuad* quad, SkPaint* paint);
+  void DrawRenderPassQuad(const RenderPassDrawQuad* quad, SkPaint* paint);
   void DrawRenderPassQuadInternal(const RenderPassDrawQuad* quad,
-                                  sk_sp<SkImage> content_image);
+                                  sk_sp<SkImage> content_image,
+                                  SkPaint* paint);
 
-  void DrawSolidColorQuad(const SolidColorDrawQuad* quad);
-  void DrawTextureQuad(const TextureDrawQuad* quad);
+  void DrawSolidColorQuad(const SolidColorDrawQuad* quad, SkPaint* paint);
+  void DrawTextureQuad(const TextureDrawQuad* quad, SkPaint* paint);
   bool MustDrawBatchedTileQuadsBeforeQuad(const DrawQuad* new_quad,
                                           const gfx::QuadF* draw_region);
   void AddTileQuadToBatch(const TileDrawQuad* quad,
                           const gfx::QuadF* draw_region);
   void DrawBatchedTileQuads();
-  void DrawYUVVideoQuad(const YUVVideoDrawQuad* quad);
-  void DrawUnsupportedQuad(const DrawQuad* quad);
+  void DrawYUVVideoQuad(const YUVVideoDrawQuad* quad, SkPaint* paint);
+  void DrawUnsupportedQuad(const DrawQuad* quad, SkPaint* paint);
   bool CalculateRPDQParams(sk_sp<SkImage> src_image,
                            const RenderPassDrawQuad* quad,
                            DrawRenderPassDrawQuadParams* params);
@@ -164,7 +165,6 @@ class VIZ_SERVICE_EXPORT SkiaRenderer : public DirectRenderer {
   bool disable_picture_quad_image_filtering_ = false;
   bool is_scissor_enabled_ = false;
   gfx::Rect scissor_rect_;
-  SkPaint current_paint_;
 
   // Specific for overdraw.
   sk_sp<SkSurface> overdraw_surface_;