Prepare for removing WebTransformationMatrix from animation APIs

webkit/compositor_bindings/web_transform_animation_curve_impl.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "webkit/compositor_bindings/web_transform_animation_curve_impl.h"
 
 #include "cc/keyframed_animation_curve.h"
 #include "cc/timing_function.h"
 #include "cc/transform_operations.h"
 #include "webkit/compositor_bindings/web_animation_curve_common.h"
@@ skipping 35 matching lines @@
       .AsTransformOperations();
   curve_->addKeyframe(cc::TransformKeyframe::create(
       keyframe.time(),
       transform_operations,
       cc::CubicBezierTimingFunction::create(x1, y1, x2, y2)
           .PassAs<cc::TimingFunction>()));
 }
 
 WebTransformationMatrix WebTransformAnimationCurveImpl::getValue(
     double time) const {
-  return webkit::WebTransformationMatrixUtil::ToWebTransformationMatrix(
-      curve_->getValue(time));
+  return WebTransformationMatrix();

[jamesr, 2013/03/07 23:33:15]

Nobody calls getValue(), but it's defined as pure virtual in WebKit so we need
to have an implementation somewhere :/.  In the WebKit patch next up in the
chain I'll remove this, then I'll have to roll that into chromium and remove
this before removing the WTM type from WebKit.

 }
 
 scoped_ptr<cc::AnimationCurve>
 WebTransformAnimationCurveImpl::cloneToAnimationCurve() const {
   return curve_->clone();
 }
 
 }  // namespace WebKit