Update from chromium https://crrev.com/302282

ui/gl/gl_context_glx.h

Index: ui/gl/gl_context_glx.h
diff --git a/ui/gl/gl_context_glx.h b/ui/gl/gl_context_glx.h
index ca53403e5594f55f2f6615b125b4cf48578a5bf6..fe3d75497aaf014a4e6d38fb10394b344d7a3af7 100644
--- a/ui/gl/gl_context_glx.h
+++ b/ui/gl/gl_context_glx.h
@@ -24,20 +24,20 @@ class GL_EXPORT GLContextGLX : public GLContextReal {
   XDisplay* display();
 
   // Implement GLContext.
-  virtual bool Initialize(
-      GLSurface* compatible_surface, GpuPreference gpu_preference) override;
-  virtual void Destroy() override;
-  virtual bool MakeCurrent(GLSurface* surface) override;
-  virtual void ReleaseCurrent(GLSurface* surface) override;
-  virtual bool IsCurrent(GLSurface* surface) override;
-  virtual void* GetHandle() override;
-  virtual void SetSwapInterval(int interval) override;
-  virtual std::string GetExtensions() override;
-  virtual bool GetTotalGpuMemory(size_t* bytes) override;
-  virtual bool WasAllocatedUsingRobustnessExtension() override;
+  bool Initialize(GLSurface* compatible_surface,
+                  GpuPreference gpu_preference) override;
+  void Destroy() override;
+  bool MakeCurrent(GLSurface* surface) override;
+  void ReleaseCurrent(GLSurface* surface) override;
+  bool IsCurrent(GLSurface* surface) override;
+  void* GetHandle() override;
+  void SetSwapInterval(int interval) override;
+  std::string GetExtensions() override;
+  bool GetTotalGpuMemory(size_t* bytes) override;
+  bool WasAllocatedUsingRobustnessExtension() override;
 
  protected:
-  virtual ~GLContextGLX();
+  ~GLContextGLX() override;
 
  private:
   void* context_;