cros:Remove CameraMicTrayItemView

This is no longer used, so removing it.

Bug: b:297366496
Change-Id: Ie1c6718ab4d435f30ce86ad92d37fb96ac59f8c1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4943117
Reviewed-by: Andre Le <leandre@chromium.org>
Commit-Queue: Alex Newcomer <newcomer@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1213035}

ash/BUILD.gn

@@ -2146,8 +2146,6 @@ component("ash") {
     "system/tray/view_click_listener.h",
     "system/unified/buttons.cc",
     "system/unified/buttons.h",
-    "system/unified/camera_mic_tray_item_view.cc",
-    "system/unified/camera_mic_tray_item_view.h",
     "system/unified/classroom_bubble_base_view.cc",
     "system/unified/classroom_bubble_base_view.h",
     "system/unified/classroom_bubble_student_view.cc",
@@ -3646,7 +3644,6 @@ test("ash_unittests") {
     "system/tray/tray_event_filter_unittest.cc",
     "system/tray/tray_item_view_unittest.cc",
     "system/tray/tri_view_unittest.cc",
-    "system/unified/camera_mic_tray_item_view_unittest.cc",
     "system/unified/classroom_bubble_view_unittest.cc",
     "system/unified/date_tray_unittest.cc",
     "system/unified/feature_pods_container_view_unittest.cc",

ash/ash_strings.grd

@@ -310,10 +310,6 @@ Style notes:
         <ph name="hotspot">$1<ex>Hotspot on, no devices connected</ex></ph>,
         <ph name="network">$2<ex>Connected to Google-A, Median signal</ex></ph>
       </message>
-      <message name="IDS_ASH_STATUS_TRAY_PRIVACY_ACCESSIBLE_DESCRIPTION" is_accessibility_with_no_ui="true" desc="The accessible description of privacy in the status tray and the information on it.">
-        <ph name="mic">$1<ex>A virtual machine is using your microphone</ex></ph>,
-        <ph name="camera">$2<ex>A virtual machine is using your camera</ex></ph>
-      </message>
       <message name="IDS_ASH_QUICK_SETTINGS_BUBBLE_ACCESSIBLE_DESCRIPTION" desc="The accessible description of the quick settings bubble and the information in it.">
         Quick Settings, Press search + left to access the notification center.
       </message>
@@ -5564,17 +5560,6 @@ Here are some things you can try to get started.
         Your system administrator is monitoring your screens
       </message>
 
-      <!-- For CameraMicTrayItemView -->
-      <message name="IDS_ASH_CAMERA_MIC_VM_USING_CAMERA" desc="Tooltip message shown at the systray camera indicator when a VM is using the camera">
-        An application is using your camera
-      </message>
-      <message name="IDS_ASH_CAMERA_MIC_VM_USING_CAMERA_AND_MIC" desc="Tooltip message shown at the systray camera indicator when a VM is using both the camera and mic">
-        An application is using your camera and microphone
-      </message>
-      <message name="IDS_ASH_CAMERA_MIC_VM_USING_MIC" desc="Tooltip message shown at the systray microphone indicator when a VM is using the microphone">
-        An application is using your microphone
-      </message>
-
       <!-- For privacy indicators notification -->
       <message name="IDS_PRIVACY_NOTIFICATION_TITLE_CAMERA_AND_MIC" desc="Title for a notification shown when an app is using the camera and the microphone.">
         Camera and microphone in use