[android] Hide <select> dropdown on outside tap.

Outside tap should hide <select> dropdowns, but not dropdowns associated
with input fields. Tapping on an input field should not hide the
associated autofill or password generation popup.

TBR=jdduke@chromium.org
BUG=430543

Review URL: https://codereview.chromium.org/932493003

Cr-Commit-Position: refs/heads/master@{#316641}
(cherry picked from commit 2d616c68a8fd923e378b6473302c1406f19aa8cb)

Review URL: https://codereview.chromium.org/934153002

Cr-Commit-Position: refs/branch-heads/2272@{#321}
Cr-Branched-From: 827a380cfdb31aa54c8d56e63ce2c3fd8c3ba4d4-refs/heads/master@{#310958}

diff --git a/chrome/android/java/src/org/chromium/chrome/browser/autofill/PasswordGenerationPopupBridge.java b/chrome/android/java/src/org/chromium/chrome/browser/autofill/PasswordGenerationPopupBridge.java
index 6e7559b6..0c1d29f 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/autofill/PasswordGenerationPopupBridge.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/autofill/PasswordGenerationPopupBridge.java

@@ -66,6 +66,7 @@
             mPopup = new DropdownPopupWindow(mContext, containerViewDelegate);
             mPopup.setOnItemClickListener(this);
             mPopup.setOnDismissListener(this);
+            mPopup.disableHideOnOutsideTap();
         }
         mAnchorWidth = 0;
     }

diff --git a/ui/android/java/src/org/chromium/ui/DropdownPopupWindow.java b/ui/android/java/src/org/chromium/ui/DropdownPopupWindow.java
index c1056b0..25db9a2 100644
--- a/ui/android/java/src/org/chromium/ui/DropdownPopupWindow.java
+++ b/ui/android/java/src/org/chromium/ui/DropdownPopupWindow.java

@@ -132,20 +132,6 @@
         getListView().setDividerHeight(0);
         ApiCompatibilityUtils.setLayoutDirection(getListView(),
                 mRtl ? View.LAYOUT_DIRECTION_RTL : View.LAYOUT_DIRECTION_LTR);
-
-        // HACK: The ListPopupWindow's mPopup automatically dismisses on an outside tap. There's
-        // no way to override it or prevent it, except reaching into ListPopupWindow's hidden
-        // API. This allows the C++ controller to completely control showing/hiding the popup.
-        // See http://crbug.com/400601
-        try {
-            Method setForceIgnoreOutsideTouch = ListPopupWindow.class.getMethod(
-                    "setForceIgnoreOutsideTouch", new Class[] { boolean.class });
-            setForceIgnoreOutsideTouch.invoke(this, new Object[] { true });
-        } catch (Exception e) {
-            Log.e("AutofillPopup",
-                    "ListPopupWindow.setForceIgnoreOutsideTouch not found",
-                    e);
-        }
     }
 
     @Override
@@ -162,6 +148,26 @@
     }
 
     /**
+     * Disable hiding on outside tap so that tapping on a text input field associated with the popup
+     * will not hide the popup.
+     */
+    public void disableHideOnOutsideTap() {
+        // HACK: The ListPopupWindow's mPopup automatically dismisses on an outside tap. There's
+        // no way to override it or prevent it, except reaching into ListPopupWindow's hidden
+        // API. This allows the C++ controller to completely control showing/hiding the popup.
+        // See http://crbug.com/400601
+        try {
+            Method setForceIgnoreOutsideTouch = ListPopupWindow.class.getMethod(
+                    "setForceIgnoreOutsideTouch", new Class[] { boolean.class });
+            setForceIgnoreOutsideTouch.invoke(this, new Object[] { true });
+        } catch (Exception e) {
+            Log.e("AutofillPopup",
+                    "ListPopupWindow.setForceIgnoreOutsideTouch not found",
+                    e);
+        }
+    }
+
+    /**
      * Measures the width of the list content. The adapter should not be null.
      * @return The popup window width in pixels.
      */

diff --git a/ui/android/java/src/org/chromium/ui/autofill/AutofillPopup.java b/ui/android/java/src/org/chromium/ui/autofill/AutofillPopup.java
index 5c50e63..4e45605 100644
--- a/ui/android/java/src/org/chromium/ui/autofill/AutofillPopup.java
+++ b/ui/android/java/src/org/chromium/ui/autofill/AutofillPopup.java

@@ -67,6 +67,7 @@
 
         setOnItemClickListener(this);
         setOnDismissListener(this);
+        disableHideOnOutsideTap();
     }
 
     /**