Support InputMethodManager#updateCursorAnchorInfo for Android 5.0

content/public/android/java/src/org/chromium/content/browser/RenderCoordinates.java

Index: content/public/android/java/src/org/chromium/content/browser/RenderCoordinates.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/RenderCoordinates.java b/content/public/android/java/src/org/chromium/content/browser/RenderCoordinates.java
index 12b2fdddcf70efcb01d7b85a746dc1a0cd44ca3a..9a1a40124cb89f07c31df023ccf5b29dc0e153a9 100644
--- a/content/public/android/java/src/org/chromium/content/browser/RenderCoordinates.java
+++ b/content/public/android/java/src/org/chromium/content/browser/RenderCoordinates.java
@@ -4,6 +4,8 @@
 
 package org.chromium.content.browser;
 
+import org.chromium.base.VisibleForTesting;
+
 /**
  * Cached copy of all positions and scales (CSS-to-DIP-to-physical pixels)
  * reported from the renderer.
@@ -70,6 +72,27 @@ public class RenderCoordinates {
     }
 
     /**
+     * Sets several fields for unit test. (used by {@link CursorAnchorInfoSourceTest}).
+     * @param deviceScaleFactor Device scale factor (maps DIP pixels to physical pixels).
+     * @param pageScaleFactor Page scale factor (maps CSS pixels to DIP pixels).
+     * @param scrollXCss Horizontal scroll offset in CSS pixels.
+     * @param scrollYCss Vertical scroll offset in CSS pixels.
+     * @param contentOffsetYPix Physical on-screen Y offset amount below the top controls.
+     */
+    @VisibleForTesting
+    public void setFrameInfoForTest(
+            float deviceScaleFactor, float pageScaleFactor,
+            float scrollXCss, float scrollYCss,
+            float contentOffsetYPix) {
+        reset();
+        mDeviceScaleFactor = deviceScaleFactor;
+        mPageScaleFactor = pageScaleFactor;
+        mScrollXCss = scrollXCss;
+        mScrollYCss = scrollYCss;
+        mContentOffsetYPix = contentOffsetYPix;
+    }
+
+    /**
      * Handles conversion of a point from window-relative-local-dip or screen-pix
      * to document-absolute-CSS space and vice versa.
      */