feat: implement chrome.tabs.reload to fix PDF Viewer (#33712)

Co-authored-by: Shelley Vohr <shelley.vohr@gmail.com>

shell/common/extensions/api/tabs.json

@@ -120,6 +120,27 @@
       }
     ],
     "functions": [
+      {
+        "name": "reload",
+        "type": "function",
+        "description": "Reload a tab.",
+        "parameters": [
+          {"type": "integer", "name": "tabId", "minimum": 0, "optional": true, "description": "The ID of the tab to reload; defaults to the selected tab of the current window."},
+          {
+            "type": "object",
+            "name": "reloadProperties",
+            "optional": true,
+            "properties": {
+              "bypassCache": {
+                "type": "boolean",
+                "optional": true,
+                "description": "Whether using any local cache. Default is false."
+              }
+            }
+          },
+          {"type": "function", "name": "callback", "optional": true, "parameters": []}
+        ]
+      },
       {
         "name": "get",
         "type": "function",