Move Screen Rotation from MaximizeModeController to ScreenOrientationController

ui/gfx/geometry/vector3d_f.h

Index: ui/gfx/geometry/vector3d_f.h
diff --git a/ui/gfx/geometry/vector3d_f.h b/ui/gfx/geometry/vector3d_f.h
index 637b6d91807287dfbbfb242e8e03bf49d94ae0d4..4e0eaa412492205b14e8ddb63a1d60c9cee4c15b 100644
--- a/ui/gfx/geometry/vector3d_f.h
+++ b/ui/gfx/geometry/vector3d_f.h
@@ -120,6 +120,17 @@ inline Vector3dF ScaleVector3d(const Vector3dF& v, float scale) {
   return ScaleVector3d(v, scale, scale, scale);
 }
 
+// Returns the angle between |base| and |other| in degrees.
+GFX_EXPORT float AngleBetweenVectorsInDegrees(const gfx::Vector3dF& base,
+                                              const gfx::Vector3dF& other);
+
+// Returns the clockwise angle between |base| and |other| where |normal| is the
+// normal of the virtual surface to measure clockwise according to.
+GFX_EXPORT float ClockwiseAngleBetweenVectorsInDegrees(
+    const gfx::Vector3dF& base,
+    const gfx::Vector3dF& other,
+    const gfx::Vector3dF& normal);
+
 // This is declared here for use in gtest-based unit tests but is defined in
 // the gfx_test_support target. Depend on that to use this in your unit test.
 // This should not be used in production code - call ToString() instead.