Move DownloadControllerAndroid from content/ to chrome/

content/public/android/BUILD.gn

Index: content/public/android/BUILD.gn
diff --git a/content/public/android/BUILD.gn b/content/public/android/BUILD.gn
index 61e90bcf398e73bbf71ecc00ab778327897f43c6..859bf37c6381a0ed872a7f52c5219f266c510bde 100644
--- a/content/public/android/BUILD.gn
+++ b/content/public/android/BUILD.gn
@@ -111,14 +111,11 @@ android_library("content_java") {
     "java/src/org/chromium/content/browser/ContentView.java",
     "java/src/org/chromium/content/browser/ContentViewClient.java",
     "java/src/org/chromium/content/browser/ContentViewCore.java",
-    "java/src/org/chromium/content/browser/ContentViewDownloadDelegate.java",
     "java/src/org/chromium/content/browser/ContentViewRenderView.java",
     "java/src/org/chromium/content/browser/ContentViewStatics.java",
     "java/src/org/chromium/content/browser/ContextualSearchClient.java",
     "java/src/org/chromium/content/browser/DeviceSensors.java",
     "java/src/org/chromium/content/browser/DeviceUtils.java",
-    "java/src/org/chromium/content/browser/DownloadController.java",
-    "java/src/org/chromium/content/browser/DownloadInfo.java",
     "java/src/org/chromium/content/browser/FileDescriptorInfo.java",
     "java/src/org/chromium/content/browser/FloatingWebActionModeCallback.java",
     "java/src/org/chromium/content/browser/InterstitialPageDelegateAndroid.java",
@@ -342,7 +339,6 @@ android_library("content_javatests") {
     "javatests/src/org/chromium/content/browser/ContentViewScrollingTest.java",
     "javatests/src/org/chromium/content/browser/ContentViewZoomingTest.java",
     "javatests/src/org/chromium/content/browser/DeviceSensorsTest.java",
-    "javatests/src/org/chromium/content/browser/DownloadInfoTest.java",
     "javatests/src/org/chromium/content/browser/EmailAddressDetectionTest.java",
     "javatests/src/org/chromium/content/browser/EncodeHtmlDataUriTest.java",
     "javatests/src/org/chromium/content/browser/GestureDetectorResetTest.java",