Move DownloadControllerAndroid from content/ to chrome/

content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsImpl.java

Index: content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsImpl.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsImpl.java b/content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsImpl.java
index ed57b76577d27c97529a4f52165d1f168e8b9643..44c314a6d526df3c6e498282ec203b8a9225484f 100644
--- a/content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsImpl.java
+++ b/content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsImpl.java
@@ -18,6 +18,7 @@ import org.chromium.base.annotations.JNINamespace;
 import org.chromium.content_public.browser.AccessibilitySnapshotCallback;
 import org.chromium.content_public.browser.AccessibilitySnapshotNode;
 import org.chromium.content_public.browser.ContentBitmapCallback;
+import org.chromium.content_public.browser.ContentViewDownloadDelegate;
 import org.chromium.content_public.browser.JavaScriptCallback;
 import org.chromium.content_public.browser.NavigationController;
 import org.chromium.content_public.browser.WebContents;
@@ -86,6 +87,9 @@ import java.util.UUID;
 
     private boolean mContextMenuOpened;
 
+    // Delegate that will handle GET downloads, and be notified of completion of POST downloads.
+    private ContentViewDownloadDelegate mDownloadDelegate;
+
     private WebContentsImpl(
             long nativeWebContentsAndroid, NavigationController navigationController) {
         mNativeWebContentsAndroid = nativeWebContentsAndroid;
@@ -304,6 +308,16 @@ import java.util.UUID;
     }
 
     @Override
+    public void setDownloadDelegate(ContentViewDownloadDelegate delegate) {
+        mDownloadDelegate = delegate;
+    }
+
+    @Override
+    public ContentViewDownloadDelegate getDownloadDelegate() {
+        return mDownloadDelegate;
+    }
+
+    @Override
     public boolean isIncognito() {
         return nativeIsIncognito(mNativeWebContentsAndroid);
     }