Merge "Use overview scale when restored scale is 0."

core/java/android/webkit/WebView.java

@@ -7169,6 +7169,14 @@ public class WebView extends AbsoluteLayout
         return mZoomManager.getDefaultScale();
     }
 
+    /**
+     * Return the overview scale of the WebView
+     * @return The overview scale.
+     */
+    float getZoomOverviewScale() {
+        return mZoomManager.getZoomOverviewScale();
+    }
+
     /**
      * @return TRUE if the WebView can be zoomed in.
      */

core/java/android/webkit/WebViewCore.java

@@ -2512,10 +2512,13 @@ public final class WebViewCore {
     // called by JNI
     private void restoreScale(float scale, float textWrapScale) {
         if (mBrowserFrame.firstLayoutDone() == false) {
-            final float defaultScale = mWebView.getDefaultZoomScale();
-            mRestoredScale = (scale <= 0.0) ? defaultScale : scale;
+            // If restored scale and textWrapScale are 0, set them to
+            // overview and reading level scale respectively.
+            mRestoredScale = (scale <= 0.0)
+                ? mWebView.getZoomOverviewScale() : scale;
             if (mSettings.getUseWideViewPort()) {
-                mRestoredTextWrapScale = (textWrapScale <= 0.0) ? defaultScale : textWrapScale;
+                mRestoredTextWrapScale = (textWrapScale <= 0.0)
+                    ? mWebView.getReadingLevelScale() : textWrapScale;
             }
         }
     }

core/java/android/webkit/ZoomManager.java

@@ -1128,12 +1128,6 @@ class ZoomManager {
                     mTextWrapScale = Math.max(mTextWrapScale, overviewScale);
                 }
                 reflowText = exceedsMinScaleIncrement(mTextWrapScale, scale);
-            } else {
-                // In case of restored scale, treat defaultScale as overview since
-                // it usually means the previous scale is not saved.
-                if (scale == mDefaultScale && settings.getLoadWithOverviewMode()) {
-                    scale = overviewScale;
-                }
             }
             mInitialZoomOverview = settings.getLoadWithOverviewMode() &&
                     !exceedsMinScaleIncrement(scale, overviewScale);