ui/gl: Initialize the ANGLE Platform on all configurations

ui/gl/egl_api_unittest.cc

Index: ui/gl/egl_api_unittest.cc
diff --git a/ui/gl/egl_api_unittest.cc b/ui/gl/egl_api_unittest.cc
index b9dbd15a034f5d8224cddae2aee5feaff4fcc131..772cf0646a1819ffa8b79583f0d719d14c527b6a 100644
--- a/ui/gl/egl_api_unittest.cc
+++ b/ui/gl/egl_api_unittest.cc
@@ -25,6 +25,7 @@ class EGLApiTest : public testing::Test {
     g_driver_egl.fn.eglGetCurrentDisplayFn = &FakeGetCurrentDisplay;
     g_driver_egl.fn.eglGetDisplayFn = &FakeGetDisplay;
     g_driver_egl.fn.eglGetErrorFn = &FakeGetError;
+    g_driver_egl.fn.eglGetProcAddressFn = &FakeGetProcAddress;
   }
 
   void TearDown() override {
@@ -82,6 +83,11 @@ class EGLApiTest : public testing::Test {
     return EGL_SUCCESS;
   }
 
+  static __eglMustCastToProperFunctionPointerType GL_BINDING_CALL
+  FakeGetProcAddress(const char* procname) {
+    return nullptr;
+  }
+
   std::pair<const char*, const char*> GetExtensions() {
     return std::make_pair(
         api_->eglQueryStringFn(EGL_NO_DISPLAY, EGL_EXTENSIONS),