ui: Move software fallback decisions to GpuProcessTransportFactory.

ui/compositor/test/in_process_context_factory.cc

 // Copyright 2014 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/in_process_context_factory.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/threading/thread.h"
 #include "cc/output/compositor_frame.h"
@@ skipping 63 matching lines @@
   DCHECK_NE(gfx::GetGLImplementation(), gfx::kGLImplementationNone)
       << "If running tests, ensure that main() is calling "
       << "gfx::GLSurface::InitializeOneOffForTests()";
 }
 
 InProcessContextFactory::~InProcessContextFactory() {
   DCHECK(per_compositor_data_.empty());
 }
 
 void InProcessContextFactory::CreateOutputSurface(
-    base::WeakPtr<Compositor> compositor,
-    bool software_fallback) {
-  DCHECK(!software_fallback);
+    base::WeakPtr<Compositor> compositor) {
   gpu::gles2::ContextCreationAttribHelper attribs;
   attribs.alpha_size = 8;
   attribs.blue_size = 8;
   attribs.green_size = 8;
   attribs.red_size = 8;
   attribs.depth_size = 0;
   attribs.stencil_size = 0;
   attribs.samples = 0;
   attribs.sample_buffers = 0;
   attribs.fail_if_major_perf_caveat = false;
@@ skipping 89 matching lines @@
 }
 
 void InProcessContextFactory::ResizeDisplay(ui::Compositor* compositor,
                                             const gfx::Size& size) {
   if (!per_compositor_data_.count(compositor))
     return;
   per_compositor_data_[compositor]->display()->Resize(size);
 }
 
 }  // namespace ui