[cc] Rename all cc/ filenames to Chromium style

cc/stubs/extensions_3d_chromium.h

-// Copyright 2012 The Chromium Authors. All rights reserved.
+// 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.
+
+#ifndef CC_STUBS_EXTENSIONS3DCHROMIUM_H_
+#define CC_STUBS_EXTENSIONS3DCHROMIUM_H_
+
+#include "Extensions3D.h"
+
+// These enum names collides with gl2ext.h, so we just redefine them.
+#ifdef GL_TEXTURE_EXTERNAL_OES
+#undef GL_TEXTURE_EXTERNAL_OES
+#endif
+#ifdef GL_TEXTURE_USAGE_ANGLE
+#undef GL_TEXTURE_USAGE_ANGLE
+#endif
+#ifdef GL_FRAMEBUFFER_ATTACHMENT_ANGLE
+#undef GL_FRAMEBUFFER_ATTACHMENT_ANGLE
+#endif
+
+namespace cc {
+
+class Extensions3DChromium {
+public:
+    enum {
+        // GL_OES_EGL_image_external
+        GL_TEXTURE_EXTERNAL_OES = 0x8D65,
+
+        // GL_CHROMIUM_map_sub (enums inherited from GL_ARB_vertex_buffer_object)
+        READ_ONLY = 0x88B8,
+        WRITE_ONLY = 0x88B9,
+
+        // GL_ANGLE_texture_usage
+        GL_TEXTURE_USAGE_ANGLE = 0x93A2,
+        GL_FRAMEBUFFER_ATTACHMENT_ANGLE = 0x93A3,
+
+        // GL_EXT_texture_storage
+        BGRA8_EXT = 0x93A1,
+
+        // GL_EXT_occlusion_query_boolean
+        ANY_SAMPLES_PASSED_EXT = 0x8C2F,
+        ANY_SAMPLES_PASSED_CONSERVATIVE_EXT = 0x8D6A,
+        CURRENT_QUERY_EXT = 0x8865,
+        QUERY_RESULT_EXT = 0x8866,
+        QUERY_RESULT_AVAILABLE_EXT = 0x8867,
+
+        // GL_CHROMIUM_command_buffer_query
+        COMMANDS_ISSUED_CHROMIUM = 0x84F2
+    };
+};
+
+}
+
+#endif  // CC_STUBS_EXTENSIONS3DCHROMIUM_H_