Revert "Introduce ViewRoot forwarding input/view events to native"

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

Index: content/public/android/java/src/org/chromium/content/browser/ContentViewRenderView.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ContentViewRenderView.java b/content/public/android/java/src/org/chromium/content/browser/ContentViewRenderView.java
index 80b3593f3b1d798dce4770b6e686a07776b7ebf5..77211351fab7e2da8043bee0dc454cdc914814e5 100644
--- a/content/public/android/java/src/org/chromium/content/browser/ContentViewRenderView.java
+++ b/content/public/android/java/src/org/chromium/content/browser/ContentViewRenderView.java
@@ -15,7 +15,6 @@ import android.widget.FrameLayout;
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
 import org.chromium.content_public.browser.WebContents;
-import org.chromium.ui.base.ViewRoot;
 import org.chromium.ui.base.WindowAndroid;
 
 /***
@@ -72,7 +71,8 @@ public class ContentViewRenderView extends FrameLayout {
                 nativeSurfaceChanged(mNativeContentViewRenderView,
                         format, width, height, holder.getSurface());
                 if (mContentViewCore != null) {
-                    getViewRoot().onPhysicalBackingSizeChanged(width, height);
+                    mContentViewCore.onPhysicalBackingSizeChanged(
+                            width, height);
                 }
             }
 
@@ -94,10 +94,6 @@ public class ContentViewRenderView extends FrameLayout {
         mSurfaceView.setVisibility(VISIBLE);
     }
 
-    private ViewRoot getViewRoot() {
-        return mContentViewCore.getWindowAndroid().getViewRoot();
-    }
-
     /**
      * Sets the background color of the surface view.  This method is necessary because the
      * background color of ContentViewRenderView itself is covered by the background of
@@ -132,7 +128,7 @@ public class ContentViewRenderView extends FrameLayout {
         mContentViewCore = contentViewCore;
 
         if (mContentViewCore != null) {
-            getViewRoot().onPhysicalBackingSizeChanged(getWidth(), getHeight());
+            mContentViewCore.onPhysicalBackingSizeChanged(getWidth(), getHeight());
             nativeSetCurrentWebContents(
                     mNativeContentViewRenderView, mContentViewCore.getWebContents());
         } else {