Fix a typo in a file related to renderer context menu. This CL is my …

…first patch so I added my account in AUTHOR file.

Review URL: https://codereview.chromium.org/1817843002

Cr-Commit-Position: refs/heads/master@{#382471}

AUTHORS

@@ -592,6 +592,7 @@ Suvanjan Mukherjee <suvanjanmukherjee@gmail.com>
 Swati Jaiswal <swa.jaiswal@samsung.com>
 Sylvain Zimmer <sylvinus@gmail.com>
 Szymon Piechowicz <szymonpiechowicz@o2.pl>
+Taehoon Lee <taylor.hoon@gmail.com>
 Takeshi Kurosawa <taken.spc@gmail.com>
 Tanay Chowdhury <tanay.c@samsung.com>
 Tapu Kumar Ghose <ghose.tapu@gmail.com>

components/renderer_context_menu/render_view_context_menu_base.cc

@@ -251,7 +251,7 @@ bool RenderViewContextMenuBase::AppendCustomItems() {
 bool RenderViewContextMenuBase::IsCommandIdKnown(
     int id,
     bool* enabled) const {
-  // If this command is is added by one of our observers, we dispatch
+  // If this command is added by one of our observers, we dispatch
   // it to the observer.
   base::ObserverListBase<RenderViewContextMenuObserver>::Iterator it(
       &observers_);