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layout: Remove the obsolete layout tracing functionality (#35001)
There were two kinds of layout tracing controlled by the same debugging option: - modern layout: Functionality that dumped a JSON serialization of the layout tree before and after layout. - legacy layout: A scope based tracing that reported the process of layout in a structured way. I don't think anyone working on layout is using either of these two features. For modern layout requiring data structure to implement `serde` serialization is incredibly inconvenient and also generates a lot of extra code. We also have a more modern tracing functionality based on perfetto that we have started to use for layout and IMO it's actually being used and more robust. Signed-off-by: Martin Robinson <mrobinson@igalia.com>
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45 changed files with 64 additions and 675 deletions
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@ -8,7 +8,6 @@ use std::cell::LazyCell;
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use std::ops::{Add, AddAssign};
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use app_units::Au;
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use serde::Serialize;
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use style::properties::ComputedValues;
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use style::values::computed::LengthPercentage;
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use style::Zero;
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@ -34,7 +33,7 @@ pub(crate) enum IntrinsicSizingMode {
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Size,
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}
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#[derive(Clone, Copy, Debug, Default, Serialize)]
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#[derive(Clone, Copy, Debug, Default)]
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pub(crate) struct ContentSizes {
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pub min_content: Au,
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pub max_content: Au,
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@ -257,7 +256,7 @@ pub(crate) fn outer_inline(
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}
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}
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#[derive(Clone, Copy, Debug, Serialize)]
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#[derive(Clone, Copy, Debug)]
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pub(crate) struct InlineContentSizesResult {
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pub sizes: ContentSizes,
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pub depends_on_block_constraints: bool,
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