Add chrome side webusb permission UI code

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index d6aa97d961882186b41ddd2591fa78488de0dd0e..a7c0fb91d8f00359dbef352759df8b81c7e6a1a5 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -15375,6 +15375,25 @@ Please check your email at <ph name="ACCOUNT_EMAIL">$2<ex>jane.doe@gmail.com</ex
       </message>
     </if>
 
+    <if expr="not is_android and not is_ios">
+      <!-- Chooser Bubble Prompt -->
+      <message name="IDS_CHOOSER_BUBBLE_PROMPT" desc="The label that is used to introduce chooser details to the user in a popup.">
+        This site wants to connect to:
+      </message>
+      <!-- Chooser Bubble No Devices Found Prompt -->
+      <message name="IDS_CHOOSER_BUBBLE_NO_DEVICES_FOUND_PROMPT" desc="The label that is used to inform user that no devices found in the chooser popup.">
+        No devices found.
+      </message>
+      <!-- Chooser Bubble Connect Button Text -->
+      <message name="IDS_CHOOSER_BUBBLE_CONNECT_BUTTON_TEXT" desc="The text that is shown on the connect button in the chooser popup.">
+        Connect
+      </message>
+      <!-- Chooser Bubble Cancel Button Text -->
+      <message name="IDS_CHOOSER_BUBBLE_CANCEL_BUTTON_TEXT" desc="The text that is shown on the cancel button in the chooser popup.">
+        Cancel
+      </message>
+    </if>
+
     </messages>
   </release>
 </grit>