Remove dependency of power_save_blocker_android on various content bits

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

Index: content/public/android/java/src/org/chromium/content/browser/PowerSaveBlocker.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/PowerSaveBlocker.java b/content/public/android/java/src/org/chromium/content/browser/PowerSaveBlocker.java
index da9aa9cb68f0eb795c8e26e6788230199acdec35..915d668da16f01c7d09df3a7cc9c3c323a99434f 100644
--- a/content/public/android/java/src/org/chromium/content/browser/PowerSaveBlocker.java
+++ b/content/public/android/java/src/org/chromium/content/browser/PowerSaveBlocker.java
@@ -25,9 +25,8 @@ class PowerSaveBlocker {
     private PowerSaveBlocker() {}
 
     @CalledByNative
-    private void applyBlock(ContentViewCore contentViewCore) {
+    private void applyBlock(ViewAndroidDelegate delegate) {
         assert mKeepScreenOnView == null;
-        ViewAndroidDelegate delegate = contentViewCore.getViewAndroidDelegate();
         View anchorView = delegate.acquireAnchorView();
         mKeepScreenOnView = new WeakReference<>(anchorView);
         delegate.setAnchorViewPosition(anchorView, 0, 0, 0, 0);
@@ -35,13 +34,12 @@ class PowerSaveBlocker {
     }
 
     @CalledByNative
-    private void removeBlock(ContentViewCore contentViewCore) {
+    private void removeBlock(ViewAndroidDelegate delegate) {
         assert mKeepScreenOnView != null;
         View anchorView = mKeepScreenOnView.get();
         mKeepScreenOnView = null;
         if (anchorView == null) return;
 
-        ViewAndroidDelegate delegate = contentViewCore.getViewAndroidDelegate();
         anchorView.setKeepScreenOn(false);
         delegate.releaseAnchorView(anchorView);
     }