cc: Remove all usage of GetArea() from production code in cc

cc/output/software_frame_data.cc

Index: cc/output/software_frame_data.cc
diff --git a/cc/output/software_frame_data.cc b/cc/output/software_frame_data.cc
index 4bc09807e08125c472004be1325145faf9d9e2bb..0b430325092f02a162776910aced9beca59c1a38 100644
--- a/cc/output/software_frame_data.cc
+++ b/cc/output/software_frame_data.cc
@@ -12,17 +12,4 @@ SoftwareFrameData::SoftwareFrameData()
 
 SoftwareFrameData::~SoftwareFrameData() {}
 
-size_t SoftwareFrameData::SizeInBytes() const {
-  size_t bytes_per_pixel = 4;
-  size_t width = size.width();
-  size_t height = size.height();
-  return bytes_per_pixel * width * height;
-}
-
-base::CheckedNumeric<size_t> SoftwareFrameData::CheckedSizeInBytes() const {
-  return base::CheckedNumeric<size_t>(4) *
-         base::CheckedNumeric<size_t>(size.width()) *
-         base::CheckedNumeric<size_t>(size.height());
-}
-
 }  // namespace cc