Fix CC*Renderer and CC*LayerImpl to compile with Clang

cc/CCLayerQuad.cpp

 // Copyright 2011 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 "config.h"
 
 #if USE(ACCELERATED_COMPOSITING)
 
 #include "CCLayerQuad.h"
@@ skipping 19 matching lines @@
     m_top = Edge(quad.p1(), quad.p2());
     m_bottom = Edge(quad.p3(), quad.p4());
 
     float sign = quad.isCounterclockwise() ? -1 : 1;
     m_left.scale(sign);
     m_right.scale(sign);
     m_top.scale(sign);
     m_bottom.scale(sign);
 }
 
+CCLayerQuad::CCLayerQuad(const Edge& left, const Edge& top, const Edge& right, const Edge& bottom)
+    : m_left(left)
+    , m_top(top)
+    , m_right(right)
+    , m_bottom(bottom)
+{
+}
+
 FloatQuad CCLayerQuad::floatQuad() const
 {
     return FloatQuad(m_left.intersect(m_top),
                      m_top.intersect(m_right),
                      m_right.intersect(m_bottom),
                      m_bottom.intersect(m_left));
 }
 
 void CCLayerQuad::toFloatArray(float flattened[12]) const
 {
     flattened[0] = m_left.x();
     flattened[1] = m_left.y();
     flattened[2] = m_left.z();
     flattened[3] = m_top.x();
     flattened[4] = m_top.y();
     flattened[5] = m_top.z();
     flattened[6] = m_right.x();
     flattened[7] = m_right.y();
     flattened[8] = m_right.z();
     flattened[9] = m_bottom.x();
     flattened[10] = m_bottom.y();
     flattened[11] = m_bottom.z();
 }
 
 } // namespace cc
 
 #endif // USE(ACCELERATED_COMPOSITING)