Add a flag for the Resizable Virtual Keyboard

This commit is part of the ongoing work for the Resizable Virtual
Keyboard. It adds a flag to chrome://flags to allow users to enable the feature.

BUG=1019990

Change-Id: I0f89eed6cde3ca59dc50f2b4efaf58c6241a997b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2037299
Reviewed-by: Scott Violet <[email protected]>
Commit-Queue: Curtis McMullan <[email protected]>
Cr-Commit-Position: refs/heads/master@{#739772}
diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
index 1fe9e4c..74cf406 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -2624,6 +2624,10 @@
      flag_descriptions::kVirtualKeyboardBorderedKeyName,
      flag_descriptions::kVirtualKeyboardBorderedKeyDescription, kOsCrOS,
      FEATURE_VALUE_TYPE(chromeos::features::kVirtualKeyboardBorderedKey)},
+    {"enable-cros-virtual-keyboard-floating-resizable",
+     flag_descriptions::kVirtualKeyboardFloatingResizableName,
+     flag_descriptions::kVirtualKeyboardFloatingResizableDescription, kOsCrOS,
+     FEATURE_VALUE_TYPE(chromeos::features::kVirtualKeyboardFloatingResizable)},
     {"enable-experimental-accessibility-switch-access",
      flag_descriptions::kExperimentalAccessibilitySwitchAccessName,
      flag_descriptions::kExperimentalAccessibilitySwitchAccessDescription,