DevTools: add experimental method for configuring the dock tile.

This is an experimental feature that allows trusted remote debugging
clients such as Carlo adjust the dock tile details.

Change-Id: I7b263a14f1632d867c8bd3cffdd0527b3f3c96c9
Reviewed-on: https://chromium-review.googlesource.com/c/1337295
Commit-Queue: Dmitry Gozman <[email protected]>
Reviewed-by: Dmitry Gozman <[email protected]>
Cr-Commit-Position: refs/heads/master@{#608575}
diff --git a/chrome/browser/devtools/protocol/browser_handler.h b/chrome/browser/devtools/protocol/browser_handler.h
index 129753ad..1786903 100644
--- a/chrome/browser/devtools/protocol/browser_handler.h
+++ b/chrome/browser/devtools/protocol/browser_handler.h
@@ -36,6 +36,9 @@
       protocol::Maybe<std::string> browser_context_id) override;
   protocol::Response ResetPermissions(
       protocol::Maybe<std::string> browser_context_id) override;
+  protocol::Response SetDockTile(
+      protocol::Maybe<std::string> label,
+      protocol::Maybe<protocol::Binary> image) override;
 
  private:
   protocol::Response FindProfile(