[Android] Add phone progress bar animation behind a flag.

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 e1e41d78303858dba34a77bb370d21b0106eaee0..74132a21d82c3ce14da683ff552b557ba95a6c6f 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -7052,6 +7052,20 @@ Keep your key file in a safe place. You will need it to create new versions of y
       <message name="IDS_FLAGS_SIMPLIFIED_FULLSCREEN_UI_DESCRIPTION" desc="Description of the flag to enable the new simplified fullscreen and mouse lock UI.">
         An experimental new user experience when entering page-triggered fullscreen or mouse pointer lock states.
       </message>
+      <if expr="is_android">
+        <message name="IDS_FLAGS_PROGRESS_BAR_ANIMATION_NAME" desc= "Name of the flag to configure Android page loading progress bar animation.">

[David Trainor- moved to gerrit, 2015/07/31 21:01:51]

Remove spaces after desc=?  Looks like other flags around these lines don't have
it.

[Kibeom Kim (inactive), 2015/07/31 21:36:32]

Done.

+          Android phone page loading progress bar animation
+        </message>
+        <message name="IDS_FLAGS_PROGRESS_BAR_ANIMATION_DESCRIPTION" desc= "Description of the flag to configure Android page loading progress bar animation.">
+          Configures Android phone page loading progress bar animation.
+        </message>
+        <message name="IDS_FLAGS_PROGRESS_BAR_ANIMATION_SMOOTH" desc= "Smooth progress bar animation style">
+          Smooth
+        </message>
+        <message name="IDS_FLAGS_PROGRESS_BAR_ANIMATION_FAST_START" desc= "Fast start progress bar animation style">
+          Fast start
+        </message>
+      </if>
 
       <!-- Crashes -->
       <message name="IDS_CRASHES_TITLE" desc="Title for the chrome://crashes page.">