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

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

Index: content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java b/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
index 6d44e042af538f17c108e45c3c0b3dc3706ee2b3..5c9afd94b7d1c4859accbaeb19d1cc77eada2bee 100644
--- a/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
+++ b/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
@@ -914,16 +914,6 @@ public class ContentViewCore implements MotionEventDelegate, NavigationClient {
     }
 
     /**
-     * @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() {
-        // TODO(nileshagrawal): Implement this.
-        return false;
-    }
-
-    /**
      * @return Whether the current WebContents has a previous navigation entry.
      */
     public boolean canGoBack() {
@@ -2426,14 +2416,6 @@ public class ContentViewCore implements MotionEventDelegate, NavigationClient {
         return nativeIsRenderWidgetHostViewReady(mNativeContentViewCore);
     }
 
-    /**
-     * @return Whether or not the texture view is available or not.
-     */
-    public boolean isAvailable() {
-        // TODO(nileshagrawal): Implement this.
-        return false;
-    }
-
     @CalledByNative
     private void startContentIntent(String contentUrl) {
         getContentViewClient().onStartContentIntent(getContext(), contentUrl);