Refactor WebGraphicsContext3DInProcess and TestWebGraphicsContext3D

ui/gfx/compositor/test_web_graphics_context_3d.cc

Index: ui/gfx/compositor/test_web_graphics_context_3d.cc
diff --git a/ui/gfx/compositor/test_web_graphics_context_3d.cc b/ui/gfx/compositor/test_web_graphics_context_3d.cc
index 2d8286cd431ea77f8c6558bb9b74b741feebbe28..eb31685b193c0de01f54d5c3fef3f8d30d403e8b 100644
--- a/ui/gfx/compositor/test_web_graphics_context_3d.cc
+++ b/ui/gfx/compositor/test_web_graphics_context_3d.cc
@@ -12,13 +12,10 @@ namespace ui {
 TestWebGraphicsContext3D::TestWebGraphicsContext3D() {}
 TestWebGraphicsContext3D::~TestWebGraphicsContext3D() {}
 
-bool TestWebGraphicsContext3D::initialize(Attributes attributes,
-                                          WebKit::WebView* view,
-                                          bool render_directly_to_web_view) {
+void TestWebGraphicsContext3D::initialize() {
   gl_surface_ = new gfx::GLSurfaceStub;
   gl_context_ = new gfx::GLContextStub;
   gl_context_->MakeCurrent(gl_surface_.get());
-  return true;
 }
 
 bool TestWebGraphicsContext3D::makeContextCurrent() {