Keep screen on when there is an active WebRTC session on Android.

content/public/android/java/src/org/chromium/content/browser/ContentVideoView.java

Index: content/public/android/java/src/org/chromium/content/browser/ContentVideoView.java
===================================================================
--- content/public/android/java/src/org/chromium/content/browser/ContentVideoView.java	(revision 201139)
+++ content/public/android/java/src/org/chromium/content/browser/ContentVideoView.java	(working copy)
@@ -592,12 +592,18 @@
         sContentVideoView = null;
     }
 
+    @CalledByNative
+    public static void keepScreenOnContentVideoView(boolean screenOn) {
+        if (sDelegate != null)
+            sDelegate.keepScreenOn(screenOn);

[joth, 2013/05/21 23:56:08]

nit: in java one line if must be all on one line.

[wjia(left Chromium), 2013/05/22 02:17:51]

Done.

+    }
+
     public static ContentVideoView getContentVideoView() {
         return sContentVideoView;
     }
 
     public static void registerContentVideoViewContextDelegate(
-       ContentVideoViewContextDelegate delegate) {
+        ContentVideoViewContextDelegate delegate) {
         sDelegate = delegate;
     }