Define cc::RendererCapabilities in its own header, fix up includes

cc/output/renderer_capabilities.cc

Index: cc/output/renderer_capabilities.cc
diff --git a/cc/output/renderer_capabilities.cc b/cc/output/renderer_capabilities.cc
new file mode 100644
index 0000000000000000000000000000000000000000..36e012bf672bf57acea6853720d8a3a672c517a5
--- /dev/null
+++ b/cc/output/renderer_capabilities.cc
@@ -0,0 +1,29 @@
+// Copyright 2015 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 "cc/output/renderer_capabilities.h"
+
+namespace cc {
+
+RendererCapabilities::RendererCapabilities(ResourceFormat best_texture_format,
+                                           bool allow_partial_texture_updates,
+                                           int max_texture_size,
+                                           bool using_shared_memory_resources)
+    : best_texture_format(best_texture_format),
+      allow_partial_texture_updates(allow_partial_texture_updates),
+      max_texture_size(max_texture_size),
+      using_shared_memory_resources(using_shared_memory_resources) {
+}
+
+RendererCapabilities::RendererCapabilities()
+    : best_texture_format(RGBA_8888),
+      allow_partial_texture_updates(false),
+      max_texture_size(0),
+      using_shared_memory_resources(false) {
+}
+
+RendererCapabilities::~RendererCapabilities() {
+}
+
+}  // namespace cc