[Android] Delete dead code for capturing screenshots of pages.

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

Index: content/public/android/java/src/org/chromium/content/browser/ContentView.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ContentView.java b/content/public/android/java/src/org/chromium/content/browser/ContentView.java
index 3f621d310ab5449b8321369853f71a0ef510e9f0..24f2ffef87372c3f4ee7566807aae5a62fc4bf26 100644
--- a/content/public/android/java/src/org/chromium/content/browser/ContentView.java
+++ b/content/public/android/java/src/org/chromium/content/browser/ContentView.java
@@ -23,12 +23,9 @@ import android.widget.FrameLayout;
 
 import com.google.common.annotations.VisibleForTesting;
 
-import org.chromium.content.common.ProcessInitException;
 import org.chromium.content.common.TraceEvent;
 import org.chromium.ui.gfx.NativeWindow;
 
-import java.util.ArrayList;
-
 /**
  * The containing view for {@link ContentViewCore} that exists in the Android UI hierarchy and
  * exposes the various {@link View} functionality to it.
@@ -236,15 +233,6 @@ public class ContentView extends FrameLayout implements ContentViewCore.Internal
     }
 
     /**
-     * @return Whether the ContentView is covered by an overlay that is more than half
-     *         of it's surface. This is used to determine if we need to do a slow bitmap capture or
-     *         to show the ContentView without them.
-     */
-    public boolean hasLargeOverlay() {
-        return mContentViewCore.hasLargeOverlay();
-    }
-
-    /**
      * @return Whether the current WebContents has a previous navigation entry.
      */
     public boolean canGoBack() {
@@ -776,13 +764,6 @@ public class ContentView extends FrameLayout implements ContentViewCore.Internal
     }
 
     /**
-     * @return Whether or not the texture view is available or not.
-     */
-    public boolean isAvailable() {
-        return mContentViewCore.isAvailable();
-    }
-
-    /**
      * Returns whether or not accessibility injection is being used.
      */
     public boolean isInjectingAccessibilityScript() {