Delete joystick scroll/zoom support.

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 833402f3ac7a8054266e932474c4dc3b1ce910c9..f8d3a2873ed53fddf7be523c5973173166d565fa 100644
--- a/content/public/android/BUILD.gn
+++ b/content/public/android/BUILD.gn
@@ -175,8 +175,6 @@ android_library("content_java") {
     "java/src/org/chromium/content/browser/input/ImeUtils.java",
     "java/src/org/chromium/content/browser/input/InputMethodManagerWrapper.java",
     "java/src/org/chromium/content/browser/input/InputMethodUma.java",
-    "java/src/org/chromium/content/browser/input/JoystickScrollProvider.java",
-    "java/src/org/chromium/content/browser/input/JoystickZoomProvider.java",
     "java/src/org/chromium/content/browser/input/LegacyPastePopupMenu.java",
     "java/src/org/chromium/content/browser/input/PastePopupMenu.java",
     "java/src/org/chromium/content/browser/input/Range.java",
@@ -341,7 +339,6 @@ android_library("content_javatests") {
     "javatests/src/org/chromium/content/browser/ContentViewLocationTest.java",
     "javatests/src/org/chromium/content/browser/ContentViewPopupZoomerTest.java",
     "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/EmailAddressDetectionTest.java",
     "javatests/src/org/chromium/content/browser/EncodeHtmlDataUriTest.java",