Rename web-view module to web-frame

docs/api/web-frame.md

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+# web-frame
+
+The `web-frame` module can custom the rendering of current web page.
+
+An example of zooming current page to 200%.
+
+```javascript
+var webFrame = require('web-frame');
+webFrame.setZoomFactor(2);
+```
+
+## webFrame.setZoomFactor(factor)
+
+* `factor` Number - Zoom factor
+
+Changes the zoom factor to the specified factor, zoom factor is
+zoom percent / 100, so 300% = 3.0.
+
+## webFrame.getZoomFactor()
+
+Returns the current zoom factor.
+
+## webFrame.setZoomLevel(level)
+
+* `level` Number - Zoom level
+
+Changes the zoom level to the specified level, 0 is "original size", and each
+increment above or below represents zooming 20% larger or smaller to default
+limits of 300% and 50% of original size, respectively.
+
+## webFrame.getZoomLevel()
+
+Returns the current zoom level.