BASELINE: Update Chromium to 84.0.4147.141

Change-Id: Ib85eb4cfa1cbe2b2b81e5022c8cad5c493969535
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>

1 files changed, 7 insertions, 3 deletions

diff --git a/chromium/styleguide/java/java.md b/chromium/styleguide/java/java.md
index 4f302e99b9c..36ebfcae49f 100644
--- a/chromium/styleguide/java/java.md
+++ b/chromium/styleguide/java/java.md
@@ -30,9 +30,6 @@ is encouraged, but there are some gotchas:
 
 ### Lambdas and Method References
  * These are syntactic sugar for creating anonymous inner classes.
-   * Furthermore, stateless lambdas 
-     [become singletons](https://stackoverflow.com/questions/27524445/does-a-lambda-expression-create-an-object-on-the-heap-every-time-its-executed)
-     and so do not result in new instances when used in loops.
  * Use them only where the cost of an extra class & method definition is
    justified.
 
@@ -216,6 +213,13 @@ This is the order of the import groups:
 1. java
 1. javax
 
+## Test-only Code
+Functions used only for testing should be restricted to test-only usages
+with the testing suffixes supported [PRESUMBIT.py](https://chromium.googlesource.com/chromium/src/+/master/PRESUBMIT.py).
+`ForTesting` is the conventional suffix although similar patterns, such as
+`ForTest`, are also accepted. These suffixes are checked at presubmit time
+to ensure the functions are called only by test files.
+
 ## Location
 "Top level directories" are defined as directories with a GN file, such as
 [//base](https://chromium.googlesource.com/chromium/src/+/master/base/)