added scale animation for context menu

chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ContextMenuParams.java

Index: chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ContextMenuParams.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ContextMenuParams.java b/chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ContextMenuParams.java
index 58ae91dc2b7201840ecdd89b6f6820b0564e36c3..7607962707d8c40fd88f4f95ae020e9516d6da3c 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ContextMenuParams.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ContextMenuParams.java
@@ -43,6 +43,9 @@ public class ContextMenuParams {
     private final boolean mIsVideo;
     private final boolean mCanSavemedia;
 
+    private final int mX;
+    private final int mY;
+
     /**
      * @return The URL associated with the main frame of the page that triggered the context menu.
      */
@@ -134,10 +137,26 @@ public class ContextMenuParams {
         return false;
     }
 
+    /**
+     * @return The x-coordinate of the touch that triggered the context menu in dp relative to the
+     *          content window; 0 corresponds to the left edge.
+     */
+    public int getX() {

[Theresa, 2017/05/24 17:53:33]

nit: getTriggeringTouchX() or something else more descriptive. Whatever you
pick, have mX and mY match.

[Daniel Park, 2017/05/24 19:44:39]

Done.

+        return mX;
+    }
+
+    /**
+     * @return The y-coordinate of the touch that triggered the context menu in dp relative to the
+     *          content window; 0 corresponds to the left edge.
+     */
+    public int getY() {
+        return mY;
+    }
+
     @VisibleForTesting
     ContextMenuParams(int mediaType, String pageUrl, String linkUrl, String linkText,
             String unfilteredLinkUrl, String srcUrl, String titleText, boolean imageWasFetchedLoFi,
-            Referrer referrer, boolean canSavemedia) {
+            Referrer referrer, boolean canSavemedia, int x, int y) {
         mPageUrl = pageUrl;
         mLinkUrl = linkUrl;
         mLinkText = linkText;
@@ -151,16 +170,18 @@ public class ContextMenuParams {
         mIsImage = mediaType == MediaType.MEDIA_TYPE_IMAGE;
         mIsVideo = mediaType == MediaType.MEDIA_TYPE_VIDEO;
         mCanSavemedia = canSavemedia;
+        mX = x;
+        mY = y;
     }
 
     @CalledByNative
     private static ContextMenuParams create(int mediaType, String pageUrl, String linkUrl,
             String linkText, String unfilteredLinkUrl, String srcUrl, String titleText,
             boolean imageWasFetchedLoFi, String sanitizedReferrer, int referrerPolicy,
-            boolean canSavemedia) {
+            boolean canSavemedia, int x, int y) {
         Referrer referrer = TextUtils.isEmpty(sanitizedReferrer)
                 ? null : new Referrer(sanitizedReferrer, referrerPolicy);
         return new ContextMenuParams(mediaType, pageUrl, linkUrl, linkText, unfilteredLinkUrl,
-                srcUrl, titleText, imageWasFetchedLoFi, referrer, canSavemedia);
+                srcUrl, titleText, imageWasFetchedLoFi, referrer, canSavemedia, x, y);
     }
 }