Revert "[impeller] convert src over to src for solid color (#41351)" This reverts commit be9185ecb7b13e0297e11cacf6b16c9d1a3fd3b7.

diff --git a/impeller/entity/contents/solid_color_contents.cc b/impeller/entity/contents/solid_color_contents.cc
index 80f7c4c..9c14169 100644
--- a/impeller/entity/contents/solid_color_contents.cc
+++ b/impeller/entity/contents/solid_color_contents.cc

@@ -46,11 +46,6 @@
   return Contents::ShouldRender(entity, stencil_coverage);
 }
 
-bool SolidColorContents::ConvertToSrc(const Entity& entity) const {
-  return entity.GetBlendMode() == BlendMode::kSourceOver &&
-         GetColor().alpha >= 1.0;
-}
-
 bool SolidColorContents::Render(const ContentContext& renderer,
                                 const Entity& entity,
                                 RenderPass& pass) const {
@@ -65,9 +60,6 @@
       GetGeometry()->GetPositionBuffer(renderer, entity, pass);
 
   auto options = OptionsFromPassAndEntity(pass, entity);
-  if (ConvertToSrc(entity)) {
-    options.blend_mode = BlendMode::kSource;
-  }
   if (geometry_result.prevent_overdraw) {
     options.stencil_compare = CompareFunction::kEqual;
     options.stencil_operation = StencilOperation::kIncrementClamp;

diff --git a/impeller/entity/contents/solid_color_contents.h b/impeller/entity/contents/solid_color_contents.h
index 9486fc8..5348b90 100644
--- a/impeller/entity/contents/solid_color_contents.h
+++ b/impeller/entity/contents/solid_color_contents.h

@@ -46,10 +46,6 @@
               const Entity& entity,
               RenderPass& pass) const override;
 
-  /// @brief Convert SrcOver blend modes into Src blend modes if the color has
-  ///        no opacity.
-  bool ConvertToSrc(const Entity& entity) const;
-
  private:
   Color color_;
 

diff --git a/impeller/entity/entity_unittests.cc b/impeller/entity/entity_unittests.cc
index b34055b..f1285c3 100644
--- a/impeller/entity/entity_unittests.cc
+++ b/impeller/entity/entity_unittests.cc

@@ -2547,25 +2547,5 @@
   ASSERT_RECT_NEAR(coverage.value(), Rect::MakeXYWH(102.5, 342.5, 85, 155));
 }
 
-TEST_P(EntityTest, ConvertToSrcBlend) {
-  Entity entity;
-  entity.SetBlendMode(BlendMode::kSourceOver);
-
-  auto contents = SolidColorContents::Make(
-      PathBuilder{}.AddRect(Rect::MakeSize(Size(100, 100))).TakePath(),
-      Color::Red());
-
-  ASSERT_TRUE(contents->ConvertToSrc(entity));
-
-  // Color with alpha, should return false.
-  contents->SetInheritedOpacity(0.5);
-  ASSERT_FALSE(contents->ConvertToSrc(entity));
-
-  // Non source over blend mode, should return false.
-  contents->SetInheritedOpacity(1.0);
-  entity.SetBlendMode(BlendMode::kDestination);
-  ASSERT_FALSE(contents->ConvertToSrc(entity));
-}
-
 }  // namespace testing
 }  // namespace impeller