Adds extension name to the screencast notification bar.

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 39a62feb90e9f5bd6f8f4dacd6c49f3e8ec6c238..997ea2caa3d50ea1de4c173edba6bc3fb9fa1f48 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -9610,9 +9610,12 @@ The following plug-in is unresponsive: <ph name="PLUGIN_NAME">$1
       <message name="IDS_MEDIA_SCREEN_AND_AUDIO_CAPTURE_CONFIRMATION_TEXT" desc="Text for the prompt shown when screen and audio capturing is requrested by an app.">
         Do you want <ph name="APP_NAME">$1<ex>html5rocks.com</ex></ph> to share your screen and audio output?
       </message>
-      <message name="IDS_MEDIA_SCREEN_CAPTURE_NOTIFICATION_TEXT" desc="label used in screen capture notification UI to show the screen sharing status">
+      <message name="IDS_MEDIA_SCREEN_CAPTURE_NOTIFICATION_TEXT" desc="label used in screen capture notification UI to show the screen sharing status when the stream is consumed by the same app initiating the window picker">
         <ph name="APP_NAME">$1<ex>Google Cast</ex></ph> is sharing your screen.
       </message>
+      <message name="IDS_MEDIA_SCREEN_CAPTURE_NOTIFICATION_TEXT_DELEGATED" desc="label used in screen capture notification UI to show the screen sharing status when the stream is consumed by a tab instead of the app initiating the window picker">
+        <ph name="APP_NAME">$1<ex>Google Cast</ex></ph> is sharing your screen with <ph name="TAB_NAME">$2<ex>https://google.com</ex></ph>.
+      </message>
       <message name="IDS_MEDIA_SCREEN_CAPTURE_NOTIFICATION_STOP" desc="Text shown on the button that stops screen capture.">
         Stop sharing
       </message>
@@ -14551,12 +14554,15 @@ Do you accept?
     </message>
 
     <!-- Desktop media picker UI for Desktop Capture API -->
-    <message name="IDS_DESKTOP_MEDIA_PICKER_TITLE" desc="Title for the window picker dialog shown when desktop capture is requrested by an app.">
+    <message name="IDS_DESKTOP_MEDIA_PICKER_TITLE" desc="Title for the window picker dialog shown when desktop capture is requested by an app.">
       Share your screen - <ph name="APP_NAME">$1<ex>Google Hangouts</ex></ph>
     </message>
-    <message name="IDS_DESKTOP_MEDIA_PICKER_TEXT" desc="Text for the window picker dialog shown when desktop capture is requrested by an app.">
+    <message name="IDS_DESKTOP_MEDIA_PICKER_TEXT" desc="Text for the window picker dialog shown when desktop capture is requested by an app to be used by the app itself.">
       <ph name="APP_NAME">$1<ex>Google Hangouts</ex></ph> would like to share the contents of your screen. Please select a whole screen or an individual window to share.
     </message>
+    <message name="IDS_DESKTOP_MEDIA_PICKER_TEXT_DELEGATED" desc="Text for the window picker dialog shown when desktop capture is requested by an app to be used by a tab.">
+      <ph name="APP_NAME">$1<ex>Google Hangouts</ex></ph> would like to share the content of your screen with <ph name="TARGET_NAME">$2<ex>https://google.com</ex></ph>. Please select a whole screen or an individual window to share.
+    </message>
     <message name="IDS_DESKTOP_MEDIA_PICKER_SINGLE_SCREEN_NAME" desc="Name for screens in the desktop media picker UI when there is only one monitor.">
       Screen
     </message>