Re-introduce the partial magnifier

chrome/browser/chromeos/accessibility/magnification_manager.h

Index: chrome/browser/chromeos/accessibility/magnification_manager.h
diff --git a/chrome/browser/chromeos/accessibility/magnification_manager.h b/chrome/browser/chromeos/accessibility/magnification_manager.h
index 680b7fc8bbb21591942b4115be5c6a55763c3ed3..4952a0f25ef0e6b3280c164a8ed3419702458b54 100644
--- a/chrome/browser/chromeos/accessibility/magnification_manager.h
+++ b/chrome/browser/chromeos/accessibility/magnification_manager.h
@@ -29,15 +29,19 @@ class MagnificationManager {
   // Returns the existing instance. If there is no instance, returns NULL.
   static MagnificationManager* Get();
 
+  // Returns if the screen magnifier is enabled.
+  virtual bool IsMagnifierEnabled() const = 0;

[Daniel Erat, 2013/01/08 00:28:49]

nit: please add blank lines between these method names; it can be hard to read
otherwise since they all have comments

[yoshiki, 2013/01/09 03:03:15]

Done.

   // Returns the current type of the screen magnifier.
-  virtual ash::MagnifierType GetMagnifierType() = 0;
+  virtual ash::MagnifierType GetMagnifierType() const = 0;
+  // Enable the screen magnifier.
+  virtual void SetMagnifierEnabled(bool enabled) = 0;
   // Changes the type of the screen magnifier.
-  virtual void SetMagnifier(ash::MagnifierType type) = 0;
+  virtual void SetMagnifierType(ash::MagnifierType type) = 0;
 
   // Saves the magnifier scale to the pref.
   virtual void SaveScreenMagnifierScale(double scale) = 0;
   // Loads the magnifier scale from the pref.
-  virtual double GetSavedScreenMagnifierScale() = 0;
+  virtual double GetSavedScreenMagnifierScale() const = 0;
 
  protected:
   virtual ~MagnificationManager() {}