Rename signal utils to Observer.

src/libANGLE/Framebuffer.h

@@ -18,8 +18,8 @@
 #include "libANGLE/Debug.h"
 #include "libANGLE/Error.h"
 #include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/Observer.h"
 #include "libANGLE/RefCountObject.h"
-#include "libANGLE/signal_utils.h"
 
 namespace rx
 {

src/libANGLE/signal_utils.cpp → src/libANGLE/Observer.cpp

@@ -3,14 +3,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
-// signal_utils:
+// Observer:
 //   Implements the Observer pattern for sending state change notifications
 //   from Subject objects to dependent Observer objects.
 //
 //   See design document:
 //   https://docs.google.com/document/d/15Edfotqg6_l1skTEL8ADQudF_oIdNa7i8Po43k6jMd4/
 
-#include "libANGLE/signal_utils.h"
+#include "libANGLE/Observer.h"
 
 #include <algorithm>
 

src/libANGLE/signal_utils.h → src/libANGLE/Observer.h

@@ -3,15 +3,15 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
-// signal_utils:
+// Observer:
 //   Implements the Observer pattern for sending state change notifications
 //   from Subject objects to dependent Observer objects.
 //
 //   See design document:
 //   https://docs.google.com/document/d/15Edfotqg6_l1skTEL8ADQudF_oIdNa7i8Po43k6jMd4/
 
-#ifndef LIBANGLE_SIGNAL_UTILS_H_
-#define LIBANGLE_SIGNAL_UTILS_H_
+#ifndef LIBANGLE_OBSERVER_H_
+#define LIBANGLE_OBSERVER_H_
 
 #include "common/angleutils.h"
 
@@ -85,4 +85,4 @@ class ObserverBinding final
 
 }  // namespace angle
 
-#endif  // LIBANGLE_SIGNAL_UTILS_H_
+#endif  // LIBANGLE_OBSERVER_H_

src/libANGLE/signal_utils_unittest.cpp → src/libANGLE/Observer_unittest.cpp

@@ -3,12 +3,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
-// signal_utils_unittest:
+// Observer_unittest:
 //   Unit tests for Observers and related classes.
 
 #include <gtest/gtest.h>
 
-#include "libANGLE/signal_utils.h"
+#include "libANGLE/Observer.h"
 
 using namespace angle;
 using namespace testing;

src/libANGLE/State.h

@@ -537,7 +537,7 @@ class State : public angle::ObserverInterface, angle::NonCopyable
     //
     // Note this requires that we also invalidate the completeness cache manually on events like
     // re-binding textures/samplers or a change in the program. For more information see the
-    // signal_utils.h header and the design doc linked there.
+    // Observer.h header and the design doc linked there.
 
     // A cache of complete textures. nullptr indicates unbound or incomplete.
     // Don't use BindingPointer because this cache is only valid within a draw call.

src/libANGLE/renderer/FramebufferAttachmentObjectImpl.h

@@ -12,7 +12,7 @@
 #define LIBANGLE_RENDERER_FRAMEBUFFER_ATTACHMENT_OBJECT_IMPL_H_
 
 #include "libANGLE/FramebufferAttachment.h"
-#include "libANGLE/signal_utils.h"
+#include "libANGLE/Observer.h"
 
 namespace rx
 {

src/libANGLE/renderer/d3d/d3d11/Framebuffer11.h

@@ -9,9 +9,9 @@
 #ifndef LIBANGLE_RENDERER_D3D_D3D11_FRAMBUFFER11_H_
 #define LIBANGLE_RENDERER_D3D_D3D11_FRAMBUFFER11_H_
 
+#include "libANGLE/Observer.h"
 #include "libANGLE/renderer/d3d/FramebufferD3D.h"
 #include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
-#include "libANGLE/signal_utils.h"
 
 namespace rx
 {

src/libANGLE/renderer/d3d/d3d11/VertexArray11.h

@@ -10,10 +10,10 @@
 #define LIBANGLE_RENDERER_D3D_D3D11_VERTEXARRAY11_H_
 
 #include "libANGLE/Framebuffer.h"
+#include "libANGLE/Observer.h"
 #include "libANGLE/renderer/VertexArrayImpl.h"
 #include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
 #include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
-#include "libANGLE/signal_utils.h"
 
 namespace rx
 {

src/libGLESv2.gypi

@@ -179,6 +179,8 @@
             'libANGLE/LoggingAnnotator.h',
             'libANGLE/MemoryProgramCache.cpp',
             'libANGLE/MemoryProgramCache.h',
+            'libANGLE/Observer.cpp',
+            'libANGLE/Observer.h',
             'libANGLE/PackedGLEnums.h',
             'libANGLE/PackedGLEnums_autogen.cpp',
             'libANGLE/PackedGLEnums_autogen.h',
@@ -284,8 +286,6 @@
             'libANGLE/renderer/load_functions_table_autogen.cpp',
             'libANGLE/renderer/renderer_utils.cpp',
             'libANGLE/renderer/renderer_utils.h',
-            'libANGLE/signal_utils.cpp',
-            'libANGLE/signal_utils.h',
             'libANGLE/validationEGL.cpp',
             'libANGLE/validationEGL.h',
             'libANGLE/validationES.cpp',

src/tests/angle_unittests.gypi

@@ -31,6 +31,7 @@
             '<(angle_path)/src/libANGLE/HandleRangeAllocator_unittest.cpp',
             '<(angle_path)/src/libANGLE/Image_unittest.cpp',
             '<(angle_path)/src/libANGLE/ImageIndexIterator_unittest.cpp',
+            '<(angle_path)/src/libANGLE/Observer_unittest.cpp',
             '<(angle_path)/src/libANGLE/Program_unittest.cpp',
             '<(angle_path)/src/libANGLE/ResourceManager_unittest.cpp',
             '<(angle_path)/src/libANGLE/SizedMRUCache_unittest.cpp',
@@ -46,7 +47,6 @@
             '<(angle_path)/src/libANGLE/renderer/ImageImpl_mock.h',
             '<(angle_path)/src/libANGLE/renderer/TextureImpl_mock.h',
             '<(angle_path)/src/libANGLE/renderer/TransformFeedbackImpl_mock.h',
-            '<(angle_path)/src/libANGLE/signal_utils_unittest.cpp',
             '<(angle_path)/src/libANGLE/validationES_unittest.cpp',
             '<(angle_path)/src/tests/angle_unittests_utils.h',
             '<(angle_path)/src/tests/compiler_tests/API_test.cpp',