ksv: Add two shortcuts

This patch adds two shortcuts using `search' to go to beginning/end of
document.

Bug: 896907
Test: manual.
Change-Id: I517f32b89e4e0ea5ad31d54e18f44d591e34531b
Reviewed-on: https://chromium-review.googlesource.com/c/1296548Reviewed-by: Ahmed Fakhry <afakhry@chromium.org>
Commit-Queue: Tao Wu <wutao@chromium.org>
Cr-Commit-Position: refs/heads/master@{#602452}

ash/components/shortcut_viewer/keyboard_shortcut_viewer_metadata.cc

@@ -935,6 +935,15 @@ const std::vector<KeyboardShortcutItem>& GetKeyboardShortcutItemList() {
        {ui::VKEY_CONTROL, ui::VKEY_UNKNOWN, ui::VKEY_COMMAND, ui::VKEY_UNKNOWN,
         ui::VKEY_RIGHT}},
 
+      {// |categories|
+       {ShortcutCategory::kTextEditing},
+       IDS_KSV_DESCRIPTION_GO_TO_END_OF_DOCUMENT,
+       IDS_KSV_SHORTCUT_ONE_MODIFIER_ONE_KEY,
+       // |accelerator_ids|
+       {},
+       // |shortcut_key_codes|
+       {ui::VKEY_COMMAND, ui::VKEY_UNKNOWN, ui::VKEY_RIGHT}},
+
       {// |categories|
        {ShortcutCategory::kTextEditing},
        IDS_KSV_DESCRIPTION_GO_TO_BEGINNING_OF_DOCUMENT,
@@ -945,6 +954,15 @@ const std::vector<KeyboardShortcutItem>& GetKeyboardShortcutItemList() {
        {ui::VKEY_CONTROL, ui::VKEY_UNKNOWN, ui::VKEY_COMMAND, ui::VKEY_UNKNOWN,
         ui::VKEY_LEFT}},
 
+      {// |categories|
+       {ShortcutCategory::kTextEditing},
+       IDS_KSV_DESCRIPTION_GO_TO_BEGINNING_OF_DOCUMENT,
+       IDS_KSV_SHORTCUT_ONE_MODIFIER_ONE_KEY,
+       // |accelerator_ids|
+       {},
+       // |shortcut_key_codes|
+       {ui::VKEY_COMMAND, ui::VKEY_UNKNOWN, ui::VKEY_LEFT}},
+
       {// |categories|
        {ShortcutCategory::kTextEditing},
        IDS_KSV_DESCRIPTION_PASTE_CONTENT_AS_TEXT,