Temporarily adds another constructor to Compositor

ui/compositor/test/test_compositor_host_mac.mm

 // Copyright (c) 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 "ui/compositor/test/test_compositor_host.h"
 
 #import <AppKit/NSApplication.h>
 #import <AppKit/NSOpenGL.h>
 #import <AppKit/NSView.h>
 #import <AppKit/NSWindow.h>
@@ skipping 63 matching lines @@
   }
  private:
   DISALLOW_COPY_AND_ASSIGN(AppKitHost);
 };
 
 // TestCompositorHostMac provides a window surface and a coordinated compositor
 // for use in the compositor unit tests.
 class TestCompositorHostMac : public TestCompositorHost,
                               public AppKitHost {
  public:
-  TestCompositorHostMac(const gfx::Rect& bounds);
+  TestCompositorHostMac(const gfx::Rect& bounds,
+                        ui::ContextFactory* context_factory);
   virtual ~TestCompositorHostMac();
 
  private:
   // TestCompositorHost:
   virtual void Show() OVERRIDE;
   virtual ui::Compositor* GetCompositor() OVERRIDE;
 
   gfx::Rect bounds_;
+
+  ui::ContextFactory* context_factory_;
+
   scoped_ptr<ui::Compositor> compositor_;
 
   // Owned.  Released when window is closed.
   NSWindow* window_;
 
   DISALLOW_COPY_AND_ASSIGN(TestCompositorHostMac);
 };
 
-TestCompositorHostMac::TestCompositorHostMac(const gfx::Rect& bounds)
-    : bounds_(bounds), window_(nil) {
+TestCompositorHostMac::TestCompositorHostMac(
+    const gfx::Rect& bounds,
+    ui::ContextFactory* context_factory)
+    : bounds_(bounds), context_factory_(context_factory), window_(nil) {
 }
 
 TestCompositorHostMac::~TestCompositorHostMac() {
   // Release reference to |compositor_|.  Important because the |compositor_|
   // holds |this| as its delegate, so that reference must be removed here.
   [[window_ contentView] setCompositor:NULL];
   [window_ setContentView:nil];
 
   [window_ orderOut:nil];
   [window_ close];
 }
 
 void TestCompositorHostMac::Show() {
   DCHECK(!window_);
   window_ = [[NSWindow alloc]
                 initWithContentRect:NSMakeRect(bounds_.x(),
                                                bounds_.y(),
                                                bounds_.width(),
                                                bounds_.height())
                           styleMask:NSBorderlessWindowMask
                             backing:NSBackingStoreBuffered
                               defer:NO];
   base::scoped_nsobject<AcceleratedTestView> view(
       [[AcceleratedTestView alloc] init]);
-  compositor_.reset(new ui::Compositor(view));
+  compositor_.reset(new ui::Compositor(view, context_factory_));
   compositor_->SetScaleAndSize(1.0f, bounds_.size());
   [view setCompositor:compositor_.get()];
   [window_ setContentView:view];
   [window_ orderFront:nil];
 }
 
 ui::Compositor* TestCompositorHostMac::GetCompositor() {
   return compositor_.get();
 }
 
 // static
-TestCompositorHost* TestCompositorHost::Create(const gfx::Rect& bounds) {
-  return new TestCompositorHostMac(bounds);
+TestCompositorHost* TestCompositorHost::Create(
+    const gfx::Rect& bounds,
+    ui::ContextFactory* context_factory) {
+  return new TestCompositorHostMac(bounds, context_factory);
 }
 
 }  // namespace ui