Move Android view based DateTimePicker from ui/ to content/

ui/android/BUILD.gn

Index: ui/android/BUILD.gn
diff --git a/ui/android/BUILD.gn b/ui/android/BUILD.gn
index a80245be4187f2dcd9c1a507690e0dff38445712..ab705ebdd8a14efcd538712a5d70d875429f5612 100644
--- a/ui/android/BUILD.gn
+++ b/ui/android/BUILD.gn
@@ -171,19 +171,6 @@ android_library("ui_java") {
     "java/src/org/chromium/ui/gl/SurfaceTextureListener.java",
     "java/src/org/chromium/ui/gl/SurfaceTexturePlatformWrapper.java",
     "java/src/org/chromium/ui/interpolators/BakedBezierInterpolator.java",
-    "java/src/org/chromium/ui/picker/ChromeDatePickerDialog.java",
-    "java/src/org/chromium/ui/picker/DateDialogNormalizer.java",
-    "java/src/org/chromium/ui/picker/DateTimePickerDialog.java",
-    "java/src/org/chromium/ui/picker/DateTimeSuggestion.java",
-    "java/src/org/chromium/ui/picker/DateTimeSuggestionListAdapter.java",
-    "java/src/org/chromium/ui/picker/InputDialogContainer.java",
-    "java/src/org/chromium/ui/picker/MonthPicker.java",
-    "java/src/org/chromium/ui/picker/MonthPickerDialog.java",
-    "java/src/org/chromium/ui/picker/MultiFieldTimePickerDialog.java",
-    "java/src/org/chromium/ui/picker/TwoFieldDatePicker.java",
-    "java/src/org/chromium/ui/picker/TwoFieldDatePickerDialog.java",
-    "java/src/org/chromium/ui/picker/WeekPicker.java",
-    "java/src/org/chromium/ui/picker/WeekPickerDialog.java",
     "java/src/org/chromium/ui/resources/LayoutResource.java",
     "java/src/org/chromium/ui/resources/Resource.java",
     "java/src/org/chromium/ui/resources/ResourceLoader.java",
@@ -216,10 +203,7 @@ android_library("ui_java") {
 }
 
 android_library("ui_javatests") {
-  java_files = [
-    "javatests/src/org/chromium/ui/picker/DateTimePickerDialogTest.java",
-    "javatests/src/org/chromium/ui/resources/sprites/CrushedSpriteResourceTest.java",
-  ]
+  java_files = [ "javatests/src/org/chromium/ui/resources/sprites/CrushedSpriteResourceTest.java" ]
   testonly = true
   deps = [
     ":ui_java",
@@ -229,10 +213,7 @@ android_library("ui_javatests") {
 }
 
 junit_binary("ui_junit_tests") {
-  java_files = [
-    "junit/src/org/chromium/ui/picker/DateDialogNormalizerTest.java",
-    "junit/src/org/chromium/ui/text/SpanApplierTest.java",
-  ]
+  java_files = [ "junit/src/org/chromium/ui/text/SpanApplierTest.java" ]
   deps = [
     "//base:base_java",
     "//ui/android:ui_java",