Implement WebSettings.{get|set}TextSize via {get|set}TextZoom. DO NOT MERGE

TextSize is deprecated, so we wouldn't expect from WebViewProvider
implementations to re-implement it in some other way than Android WebView does
it. This also makes recently added TextSize.getValue method redundant.

Clean cherry pick: 1202d66f78fb24850b997e37f0ce3cb3b36e4bbf

Change-Id: Ib6aecb187f10ac3ec5d12cb839cb814ec0c564fe

1 files changed, 16 insertions, 3 deletions

diff --git a/core/java/android/webkit/WebSettings.java b/core/java/android/webkit/WebSettings.java
index 074f910..02c144f 100644
--- a/core/java/android/webkit/WebSettings.java
+++ b/core/java/android/webkit/WebSettings.java
@@ -423,7 +423,7 @@ public abstract class WebSettings {
      * Gets the text zoom of the page in percent.
      *
      * @return the text zoom of the page in percent
-     * @see #setTextSizeZoom
+     * @see #setTextZoom
      */
     public synchronized int getTextZoom() {
         throw new MustOverrideException();
@@ -436,7 +436,7 @@ public abstract class WebSettings {
      * @deprecated Use {@link #setTextZoom} instead.
      */
     public synchronized void setTextSize(TextSize t) {
-        throw new MustOverrideException();
+        setTextZoom(t.value);
     }
 
     /**
@@ -449,7 +449,20 @@ public abstract class WebSettings {
      * @deprecated Use {@link #getTextZoom} instead.
      */
     public synchronized TextSize getTextSize() {
-        throw new MustOverrideException();
+        TextSize closestSize = null;
+        int smallestDelta = Integer.MAX_VALUE;
+        int textSize = getTextZoom();
+        for (TextSize size : TextSize.values()) {
+            int delta = Math.abs(textSize - size.value);
+            if (delta == 0) {
+                return size;
+            }
+            if (delta < smallestDelta) {
+                smallestDelta = delta;
+                closestSize = size;
+            }
+        }
+        return closestSize != null ? closestSize : TextSize.NORMAL;
     }
 
     /**