Add flags to enable screen orientation lock for fullscreen video on Android.

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 e1df98c647f9037b6affa75d062dda71e57ff6ba..07a7b11bc1e2dfe76c0b0ca499f856bb289670e2 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -211,7 +211,7 @@ are declared in build/common.gypi.
       <ph> element).  You can also use the 'grit add' tool to help you identify
       nontranslateable parts and create placeholders for them. -->
       <if expr="is_win">
-        <message name="IDS_BACKGROUND_APP_INSTALLED_BALLOON_TITLE" desc="The title of the balloon that is displayed when a background app is installed">
+          <message name="IDS_BACKGROUND_APP_INSTALLED_BALLOON_TITLE" desc="The title of the balloon that is displayed when a background app is installed">

[DaleCurtis, 2016/12/01 17:45:26]

Typo?

[mlamouri (slow - plz ping), 2016/12/01 22:12:14]

Oups :)

           New background app added
         </message>
         <message name="IDS_BACKGROUND_APP_INSTALLED_BALLOON_BODY" desc="The contents of the balloon that is displayed when a background app is installed">
@@ -15550,6 +15550,14 @@ read aloud to screenreader users to announce that a completion is available.">
       Disable video tracks when the video is played in the background to optimize performance.
     </message>
 
+    <!-- Video fullscreen with orientation lock experiment strings. -->
+    <message name="IDS_VIDEO_FULLSCREEN_ORIENTATION_LOCK_NAME" desc="Name of the flag for enabling orientation lock for fullscreen video playback.">
+      Lock screen orientation when playing a video fullscreen.
+    </message>
+    <message name="IDS_VIDEO_FULLSCREEN_ORIENTATION_LOCK_DESCRIPTION" desc="Description of the flag for enabling orientation lock for fullscreen video playback.">
+      Lock the screen orientation of the device to match video orientation when a video goes fullscreen.
+    </message>
+
     <if expr="is_win">
       <message name="IDS_UTILITY_PROCESS_SHELL_HANDLER_NAME" desc="The name of the utility process used to handle shell operations.">
         Shell Handler