Auto merge of #22740 - Hyperion101010:master, r=jdm

Truncate debug output for long data URLs #22485

  I tried to solve the patch, here i did what you told but i am not getting the
  exact result after the build can you take a look

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- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [ ] These changes fix #22485 (GitHub issue number if applicable)

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components/url/lib.rs

@@ -17,7 +17,9 @@ pub mod origin;
 
 pub use crate::origin::{ImmutableOrigin, MutableOrigin, OpaqueOrigin};
 
+use std::collections::hash_map::DefaultHasher;
 use std::fmt;
+use std::hash::Hasher;
 use std::net::IpAddr;
 use std::ops::{Index, Range, RangeFrom, RangeFull, RangeTo};
 use std::path::Path;
@@ -169,6 +171,12 @@ impl fmt::Display for ServoUrl {
 
 impl fmt::Debug for ServoUrl {
     fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        if self.0.as_str().len() > 40 {
+            let hasher = DefaultHasher::new();
+            let truncated: String = self.0.as_str().chars().take(40).collect();
+            let result = format!("{}... ({:x})", truncated, hasher.finish());
+            return result.fmt(formatter);
+        }
         self.0.fmt(formatter)
     }
 }