BASELINE: Update Chromium to 73.0.3683.37

Change-Id: I08c9af2948b645f671e5d933aca1f7a90ea372f2
Reviewed-by: Michael Brüning <michael.bruning@qt.io>

1 files changed, 22 insertions, 6 deletions

diff --git a/chromium/third_party/blink/renderer/platform/transforms/transform_operations.h b/chromium/third_party/blink/renderer/platform/transforms/transform_operations.h
index b0d7f1aa8b4..e01e36b3d40 100644
--- a/chromium/third_party/blink/renderer/platform/transforms/transform_operations.h
+++ b/chromium/third_party/blink/renderer/platform/transforms/transform_operations.h
@@ -48,11 +48,21 @@ class PLATFORM_EXPORT TransformOperations {
   bool operator==(const TransformOperations& o) const;
   bool operator!=(const TransformOperations& o) const { return !(*this == o); }
 
-  void Apply(const FloatSize& sz, TransformationMatrix& t) const {
+  // Constructs a transformation matrix from the operations. The parameter
+  // |border_box_size| is used when computing styles that are size-dependent.
+  void Apply(const FloatSize& border_box_size, TransformationMatrix& t) const {
     for (auto& operation : operations_)
-      operation->Apply(t, sz);
+      operation->Apply(t, border_box_size);
   }
 
+  // Constructs a transformation matrix from the operations starting from index
+  // |start|. This process facilitates mixing pairwise operations for a common
+  // prefix and matrix interpolation for the remainder.  The parameter
+  // |border_box_size| is used when computing styles that are size-dependent.
+  void ApplyRemaining(const FloatSize& border_box_size,
+                      wtf_size_t start,
+                      TransformationMatrix& t) const;
+
   // Return true if any of the operation types are 3D operation types (even if
   // the values describe affine transforms)
   bool Has3DOperation() const {
@@ -80,7 +90,7 @@ class PLATFORM_EXPORT TransformOperations {
     return false;
   }
 
-  bool OperationsMatch(const TransformOperations&) const;
+  wtf_size_t MatchingPrefixLength(const TransformOperations&) const;
 
   void clear() { operations_.clear(); }
 
@@ -101,11 +111,17 @@ class PLATFORM_EXPORT TransformOperations {
                            const double& min_progress,
                            const double& max_progress,
                            FloatBox* bounds) const;
-  TransformOperations BlendByMatchingOperations(const TransformOperations& from,
-                                                const double& progress) const;
-  scoped_refptr<TransformOperation> BlendByUsingMatrixInterpolation(
+
+  TransformOperations BlendPrefixByMatchingOperations(
       const TransformOperations& from,
+      wtf_size_t matching_prefix_length,
+      double progress,
+      bool* success) const;
+  scoped_refptr<TransformOperation> BlendRemainingByUsingMatrixInterpolation(
+      const TransformOperations& from,
+      wtf_size_t matching_prefix_length,
       double progress) const;
+
   TransformOperations Blend(const TransformOperations& from,
                             double progress) const;
   TransformOperations Add(const TransformOperations& addend) const;