[COIL] Change chromium code search type links to use main rather than master for docs

    See this doc: go/chromium-coil-change for more info
    BUG=1210385

Change-Id: I6cd8548301e360bae8e71384dbd8ef11aa6c985f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2902904
Reviewed-by: My Nguyen <[email protected]>
Commit-Queue: My Nguyen <[email protected]>
Auto-Submit: John Palmer <[email protected]>
Cr-Commit-Position: refs/heads/master@{#885851}
diff --git a/docs/graphical_debugging_aid_chromium_views.md b/docs/graphical_debugging_aid_chromium_views.md
index 1988b7b..728dde8 100644
--- a/docs/graphical_debugging_aid_chromium_views.md
+++ b/docs/graphical_debugging_aid_chromium_views.md
@@ -9,7 +9,7 @@
     `ui/views/debug_utils.h`),
 1.  a custom debugger command
   - For GDB, see
-    [gdbinit](https://chromium.googlesource.com/chromium/src/+/master/docs/gdbinit.md),
+    [gdbinit](https://chromium.googlesource.com/chromium/src/+/main/docs/gdbinit.md),
   - For LLDB, use `tools/lldb/lldb_viewg.py`
   - For other debuggers, it should be relatively easy to adapt the
     above scripts.
@@ -24,7 +24,7 @@
 1.  Make sure you have 'dot' installed (part of graphViz),
 1.  run gdb/lldb on your build and
     1. For GDB see
-    [gdbinit](https://chromium.googlesource.com/chromium/src/+/master/docs/gdbinit.md),
+    [gdbinit](https://chromium.googlesource.com/chromium/src/+/main/docs/gdbinit.md),
     1. For LLDB `command script import tools/lldb/lldb_viewg.py` (this can
     be done automatically in `.lldbinit`),
 1.  stop at any breakpoint inside class `View` (or any derived class), and