MD Settings: tweak some chrome.settingsPrivate method names

chrome/common/extensions/api/settings_private.idl

Index: chrome/common/extensions/api/settings_private.idl
diff --git a/chrome/common/extensions/api/settings_private.idl b/chrome/common/extensions/api/settings_private.idl
index 287f1d1fedb5ee9d85a22d38e2a4ef0dc870c454..307d332fd10d393121adf9449dee2d709c5654f5 100644
--- a/chrome/common/extensions/api/settings_private.idl
+++ b/chrome/common/extensions/api/settings_private.idl
@@ -57,8 +57,8 @@ namespace settingsPrivate {
   callback OnPrefSetCallback = void (boolean success);
   callback GetAllPrefsCallback = void (PrefObject[] prefs);
   callback GetPrefCallback = void (PrefObject pref);
-  callback GetDefaultZoomPercentCallback = void (double percent);
-  callback SetDefaultZoomPercentCallback = void (boolean success);
+  callback GetDefaultZoomCallback = void (double zoom);
+  callback SetDefaultZoomCallback = void (boolean success);
 
   interface Functions {
     // Sets a settings value.
@@ -75,12 +75,12 @@ namespace settingsPrivate {
     // Gets the value of a specific pref.
     static void getPref(DOMString name, GetPrefCallback callback);
 
-    // Gets the page zoom factor as an integer percentage.
-    static void getDefaultZoomPercent(GetDefaultZoomPercentCallback callback);
+    // Gets the page zoom factor.

[Devlin, 2016/10/17 19:28:24]

Here and below, can you define what the zoom is in terms of?  (It's 0 - 1 now,
right?  But it could be 0 - 100 with decimal accuracy in a crazier world.)

[Dan Beam, 2016/10/17 21:09:00]

Done.

+    static void getDefaultZoom(GetDefaultZoomCallback callback);
 
-    // Sets the page zoom factor from a zoom percentage.
-    static void setDefaultZoomPercent(double percent,
-        optional SetDefaultZoomPercentCallback callback);
+    // Sets the page zoom factor.
+    static void setDefaultZoom(double zoom,
+        optional SetDefaultZoomCallback callback);

[Devlin, 2016/10/17 19:28:24]

Since you're touching this line anyway, mind adjusting indent?  All args should
be at the same indentation level or on the same line, so this should be either:
static void setDefaultZoom(
    double zoom, optional SetDefaultZoomCallback callback);
static void setDefaultZoom(
    double zoom,
    optional SetDefaultZoomCallback callback);

[Dan Beam, 2016/10/17 21:09:00]

Done.

   };
 
   interface Events {