cc: Remove opaque flags from SharedQuadState and DrawQuad

cc/render_surface_impl.cc

Index: cc/render_surface_impl.cc
diff --git a/cc/render_surface_impl.cc b/cc/render_surface_impl.cc
index 85ee97b5e7b22a069fa1bd0af45fcc8ec97a7617..3f3d3d17a5a3e6c9320088199c7647d3d8d0f680 100644
--- a/cc/render_surface_impl.cc
+++ b/cc/render_surface_impl.cc
@@ -197,9 +197,8 @@ void RenderSurfaceImpl::appendQuads(QuadSink& quadSink, AppendQuadsData& appendQ
     DCHECK(!forReplica || m_owningLayer->hasReplica());
 
     gfx::Rect clippedRectInTarget = computeClippedRectInTarget(m_owningLayer);
-    bool isOpaque = false;
     const WebTransformationMatrix& drawTransform = forReplica ? m_replicaDrawTransform : m_drawTransform;
-    SharedQuadState* sharedQuadState = quadSink.useSharedQuadState(SharedQuadState::create(drawTransform, m_contentRect, clippedRectInTarget, m_drawOpacity, isOpaque).Pass());
+    SharedQuadState* sharedQuadState = quadSink.useSharedQuadState(SharedQuadState::create(drawTransform, m_contentRect, clippedRectInTarget, m_drawOpacity).Pass());
 
     if (m_owningLayer->showDebugBorders()) {
         SkColor color = forReplica ? DebugColors::SurfaceReplicaBorderColor() : DebugColors::SurfaceBorderColor();
@@ -238,7 +237,7 @@ void RenderSurfaceImpl::appendQuads(QuadSink& quadSink, AppendQuadsData& appendQ
     gfx::Rect contentsChangedSinceLastFrame = contentsChanged() ? m_contentRect : gfx::Rect();
 
     quadSink.append(RenderPassDrawQuad::create(sharedQuadState, contentRect(), renderPassId, forReplica, maskResourceId, contentsChangedSinceLastFrame,
-                                                 maskTexCoordScaleX, maskTexCoordScaleY, maskTexCoordOffsetX, maskTexCoordOffsetY).PassAs<DrawQuad>(), appendQuadsData);
+                                               maskTexCoordScaleX, maskTexCoordScaleY, maskTexCoordOffsetX, maskTexCoordOffsetY).PassAs<DrawQuad>(), appendQuadsData);
 }
 
 }  // namespace cc